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iMICE R390 Wireless Ergonomic Vertical Mouse | 3200 DPI, Type-C Rechargeable, Silent Clicks
Hold your hand in a natural handshake angle through long office days and stop the forearm twist that flat pointing devices force on you.
Condition: New
Note: price and availability are subject to change without prior notice
iMICE R390 Wireless Ergonomic Vertical Mouse is now in stock at Mascom International for KSh 3,500, brand new and sealed, at Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. The iMICE R390 pairs over a 2.4GHz nano receiver and steps through four tracking speeds: 800, 1200, 2400, and 3200 DPI. It carries five buttons plus a scroll wheel, and a 500mAh built-in battery that refills over Type-C in roughly one hour. The iMICE R390 measures 104 x 73 x 58mm, weighs about 95 grams, and holds its link up to 10 metres from the receiver.
Accountants closing KRA filings, data clerks, developers around Westlands and Kilimani, and students at Strathmore and USIU sit on a pointer eight to ten hours a day. A flat mouse rotates the forearm close to 90 degrees and presses the wrist against the desk edge. That posture produces the aching, tingling hands many Nairobi office workers describe by Thursday afternoon. TheiMICE R390 stands the hand upright instead, so the two forearm bones sit side by side rather than crossing. Quiet switches rated for five million presses keep open-plan desks and shared hostel rooms calm.
Vertical pointers in Kenya usually open near KSh 8,000 and run past KSh 15,000 for the better-known labels, which puts them beyond most junior staff and students. At KSh 3,500 the iMICE R390 brings the same upright geometry, a rechargeable cell in place of disposable AA batteries, and adjustable cursor speed into a much lower bracket. Users consistently report that the first two or three days feel strange before the grip settles in. Walk into our Kimathi Street counter to hold one before you decide, or order for pay-on-arrival delivery anywhere in Kenya.
Common Questions About the iMICE R390 Vertical Mouse
Does a vertical mouse actually reduce wrist pain?
For most people it helps, because it changes forearm position rather than simply adding padding. A flat mouse forces the two forearm bones to cross over each other, which compresses the soft tissue around the wrist. The iMICE R390 holds the hand at a handshake tilt, so those bones stay parallel. Occupational therapists have recommended this shape for years. It will not repair an existing injury, so book a doctor if the pain is already sharp, constant, or waking you at night.
How long does the iMICE R390 battery last between charges?
The 500mAh cell refills over Type-C in about one hour and draws only 8mA at 3.7 volts while tracking. That low draw is why most office users go weeks rather than days between charges.You can keep working while the cable is plugged in, since charging does not cut the wireless link.
Is the iMICE R390 suitable for gaming?
It suits slower titles such as strategy games, Football Manager, and browser or casual mobile-style games run on a PC. The 3200 DPI ceiling and 2.4GHz link are fine for those. Competitive shooters are a poor match, because the vertical grip trades flick-aim speed for wrist comfort, and this sensor is not built for fast tracking. Nairobi gamers who play CS2 or Valorant seriously should keep a flat gaming mouse for matches and use the R390 for work hours.
Will it work with my laptop, and does it need Bluetooth?
No Bluetooth is required. The iMICE R390 ships with a nano USB receiver that stores inside the mouse body, so you plug it into any free USB-A port and start moving within seconds. No driver download is needed. It runs on Windows XP, Vista, 7, 8, 10, and 11, plus macOS. Laptops with only USB-C ports, including recent MacBook Air and Dell XPS units, need a cheap USB-A adapter, which we stock at the Kimathi Street counter.
Are the clicks genuinely quiet?
Yes. The left and right switches use a muted mechanism that produces a soft thud instead of the usual sharp snap. Customers across Nairobi report that colleagues one desk away stop noticing the sound entirely. That matters in shared banking floors, university libraries, night-shift call centres, and bedrooms where a partner is asleep. The scroll wheel still makes a light ratchet sound, and the side buttons click faintly. Only the two main buttons are silenced, which is standard for quiet mice at this price.
What do the four DPI settings do, and which should I use?
DPI is how far the cursor travels for each centimetre you move the mouse, so a higher figure means a faster pointer. Press the button below the wheel to cycle 800, 1200, 2400, and 3200. Use 800 or 1200 for spreadsheet cells, photo retouching, and CAD work where you need fine control. Use 2400 or 3200 on a large or dual-monitor desk so you can cross both screens without lifting and repositioning the mouse.
Does the iMICE R390 fit small hands or left-handed users?
At 104 x 73 x 58mm it sits in the middle of the vertical mouse size range, so it suits medium and larger hands well. Smaller hands can still use it, though the thumb may sit slightly low on the rest. It is a right-handed shape only, and the button layout cannot be mirrored, so left-handed buyers should ask us about left-oriented models instead. Come test the fit in person before buying if you are unsure.
Is KSh 3,500 fair for this mouse in Kenya's market?
It sits well below the vertical mouse norm here. Logitech's Lift retails around KSh 11,000 to KSh 15,000 in Nairobi, and most other upright models land between KSh 8,000 and KSh 12,000. A standard flat wireless mouse costs KSh 1,500 to KSh 3,500, so you pay roughly the same as a decent flat mouse and gain the upright posture, Type-C recharging, and four-step cursor speed. For anyone typing all day, that is a small outlay against wrist strain.
How long before the vertical grip feels normal?
Most users settle within three to seven working days. The first day usually feels clumsy, since your hand has spent years learning a flat grip, and precise clicking on small targets takes extra concentration. By day three the movement stops feeling deliberate. Buyers throughout Kenya tell us the change becomes obvious in reverse: going back to a flat mouse afterwards feels uncomfortable. Give it a full week before judging, and lower the DPI setting during the adjustment period for steadier control.
Technical Specifications
Optical Tracking and Cursor Sensitivity Control
- Red-light LED optical sensor tracks on desks, laminate, and standard cloth mouse pads without a dedicated surface.
- Four DPI steps at 800, 1200, 2400, and 3200 cover fine editing work and wide dual-monitor desks.
- Dedicated DPI button sits below the scroll wheel, cycling settings without any software installation or driver setup.
- Opto-electronic operation mode reads surface texture optically, so no ball, roller, or moving part collects dust underneath.
- Lower 800 DPI setting helps accountants working in dense Excel grids where cell-level accuracy matters more than speed.
- Higher 3200 DPI setting crosses a 27-inch monitor in one short hand movement, cutting repeated lifts and repositioning.
- Glass and high-gloss desk surfaces still need a mouse pad, as with almost every optical mouse in this bracket.
Vertical Hand Posture and Grip Support
- Vertical body holds the hand at a handshake tilt so the radius and ulna forearm bones stay parallel.
- Soft-touch textured coating gives grip without sweat slipping during Nairobi's warmer January and February afternoons.
- Thumb rest carries the side buttons, letting the thumb sit supported rather than pinching against the mouse body.
- 104 x 73 x 58mm frame fits medium to large hands; smaller hands should test the fit first.
- Right-handed shape only, with no mirrored version available, so left-handed buyers need a different model entirely.
- Reduced forearm rotation lowers pressure on the carpal tunnel compared with the flat mice most Kenyan offices supply.
- Palm stays off the desk edge, which removes the contact point that causes wrist soreness in long sessions.
Wireless Connection and Receiver Setup
- 2.4GHz wireless link runs through a nano USB-A receiver that plugs in and works immediately, no drivers.
- Effective range reaches 10 metres, enough for presentation control from across a boardroom or lecture hall.
- Receiver stores in a compartment inside the mouse body, so it does not get lost in a laptop bag.
- Compatible with Windows XP, Vista, 7, 8, 10, and 11, plus macOS on Intel and Apple silicon.
- Also connects to Android tablets and TV boxes carrying a full-size USB port for pointer control.
- USB-C-only laptops need a USB-A adapter, which Mascom International stocks separately at the Kimathi Street counter.
- No Bluetooth pairing, so device switching means moving the receiver rather than toggling between saved connections.
Rechargeable Battery and Type-C Charging
- 500mAh lithium cell built into the body removes the recurring cost of AA batteries entirely.
- Type-C charging port refills the cell in roughly one hour from a laptop, power bank, or phone charger.
- Active draw of 8mA at 3.7 volts keeps consumption low across a normal Kenyan working week.
- Mouse stays usable while the charging cable is connected, so work does not stop for a top-up.
- Type-C port matches the cable most Kenyans already carry for their phone, so no extra cable is needed.
- Low-power idle mode kicks in when the mouse sits still, then wakes on the first movement or click.
- Charging from a laptop USB port works fine, drawing far less current than a phone would pull.
Build Quality, Controls, and Daily Durability
- Five buttons plus a scroll wheel: left, right, two thumb-side buttons, DPI switch, and clickable wheel.
- Main switches are rated for five million presses, roughly six years at 2,000 clicks per working day.
- Quiet click mechanism on the left and right buttons cuts noise on shared floors and in libraries.
- 95 gram weight sits stable on the desk without feeling heavy to push across a mouse pad.
- Thumb buttons handle browser back and forward by default, saving repeated trips to the on-screen arrows.
- Black finish with a matte texture hides fingerprints better than the gloss plastic used on cheaper mice.
Package Contents
- iMICE R390 Wireless Ergonomic Vertical Mouse in black
- Nano USB-A wireless receiver, stored inside the mouse body
- USB-C charging cable
- User manual and warranty documentation
Note:The receiver is seated in its compartment underneath the mouse when the box is opened, so check there first before assuming it is missing. No batteries are needed at any point, as the cell is built in and pre-charged for immediate use.
Warranty
The iMICE R390 Wireless Ergonomic Vertical Mouse carries a 6-month Mascom International warranty covering manufacturing defects under normal use. This includes switch failure, sensor faults, receiver problems, and charging port defects. Physical damage from drops or liquid is not covered. Our Nairobi CBD service desk processes all claims directly, with no third-party handling.
Where to Buy the iMICE R390 Vertical Mouse in Kenya
Mascom International stocks the iMICE R390 Wireless Ergonomic Vertical Mouse in black at Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. Walk in Monday through Saturday between 9:00 AM and 7:00 PM to rest your hand on one before committing, which we recommend for any vertical mouse.
Three ways to order:
- Call/WhatsApp +254 708 852 521
- Email info@mascomintl.com
- Order through www.mascomintl.com
Pay-on-arrival delivery reaches every Kenyan county. Nairobi and its environs get the mouse the same day. Mombasa, Kisumu, Nakuru, Eldoret, Nyeri, Machakos, Kakamega, and all other major towns receive it within 1 business day. Mandera, Wajir, Marsabit, Lamu, Tana River, and Turkana receive delivery within 2-3 business days. You inspect the unit and pay only once it reaches your hands.
Every unit comes with the 6-month Mascom warranty stated above.
Buyers across Kenya rely on Mascom International for accurate specifications, current Nairobi pricing, and after-sales support handled from our own CBD counter rather than passed elsewhere.
Disclaimer: We can not guarantee that the information on this product is 100% correct
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