Does it have Bluetooth? Can i use this on phones?

It uses a dedicated USB-A Bluetooth dongle. You might be able to connect it to a phone using an adapter, but I'm not sure if it would work. It's really designed for PC/laptop use. I tried to use my laptops bluetooth, but couldn't get it to find the mouse, so I believe it only works with the dongle.

Do you have to use the transmitter for a wireless connection or can you connect directly with bluetooth?

There are two versions, only one of the versions can connect by way of Bluetooth and the supplied dongle This particular (M-RT1DRBK) does NOT have Bluetooth. Only M-RT1BRBK claims to have. I purchased (M-RT1DRBK) and it only lasted 2 months, before it all of a sudden stopped working..

Is this suitable for child-sized hands?

Having been IT lead in primary schools, I would think it a little bulky for an under 8, but otherwise fine, just need to get used to positioning thumb over the red cursor movement ball and index over front trigger. Hope that helps. (It works really well and I've found it a boon!)

If you lower your arm, will the ball fall off?

No. It is a little loose and has fallen out a couple of times when I've dropped the mouse, but realistically it won't fall out in normal use or if you place it down. Even upside down you would have to shake it or knock it significantly to get it to come out. There is a hole in the battery compartment for pushing it out. I have to say I love this mouse it is very good. My only criticism is that if you are using this for portability it needs a case or small bag to transport it to protect it and keep it clean and in case the trackball falls out.

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Elecom Relacon Handheld Trackball Mouse, Thumb Control, 2.4GHz Wireless, Ergonomic Design, 10-Button Function, Windows11, MacOS (M-RT1DRBK)

Product ID: 181402958

Details

Brand
エレコム(ELECOM)
Colour
2.4 GHz
Connectivity technology
2.4 GHz Wired
Movement detection technology
Trackball
Special feature
Wireless

🎮10 programmable buttons

🎯1500 DPI precision

🔋2 AAA batteries included

60.35 OMR

Duties & taxes included

In stock

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Description

🎯 Master your workspace with precision and comfort — the ultimate trackball for pros on the move!

POWER THAT LASTS - Includes 2 AAA batteries with a handy battery indicator light—stay powered without unexpected downtime.
LOW MAINTENANCE SMOOTH ROLL - Artificial ruby ball bearings ensure ultra-smooth tracking and easy cleaning, so your workflow never stalls.
EFFORTLESS PRECISION CONTROL - Switch seamlessly between 500, 1000, and 1500 DPI for tailored cursor speed and pinpoint accuracy.
ERGONOMIC THUMB DRIVEN DESIGN - Reduce wrist strain with a natural thumb trackball that keeps you comfortable during marathon work sessions.
WIRELESS FREEDOM WITH 10 M RANGE - Cut the cord and enjoy reliable 2.4GHz wireless connectivity up to 10 meters—stay productive anywhere.

The Elecom Relacon Handheld Trackball Mouse combines high-performance 2.4GHz wireless connectivity with an ergonomic thumb-controlled design and 10 programmable buttons. Featuring adjustable DPI settings up to 1500 for precise cursor control, it reduces wrist strain and boosts productivity. Its durable artificial ruby ball bearings minimize maintenance, while included batteries and a 10-meter wireless range ensure uninterrupted use across Windows and MacOS platforms.

Specifications

ASIN	B07ZKL66GY
Antenna Location	Gaming
Are Batteries Included?	Yes
Are Batteries Required	Yes
Best Sellers Rank	23,323 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 513 in Mice
Brand Name	エレコム(ELECOM)
Button Quantity	10
Colour	2.4 GHz
Compatible Devices	Laptop, Personal Computer
Customer Reviews	3.9 3.9 out of 5 stars (1,827)
Enclosure Material	Plastic
Hand Orientation	Right
Hardware Platform	Personal Computer, Laptop
Included Components	Batteries
Item Dimensions L x W	18.2L x 11.5W centimetres
Item Weight	2.7 Ounces
Manufacturer	ELECOM
Manufacturer Part Number	M-RT1DRBK
Minimum Required Operating System Version	Windows XP
Model Name	Relacon
Model Number	M-RT1DRBK
Mouse Maximum Sensitivity	1500 Dots per Inch
Movement Detection	Trackball
Network Connectivity Technology	2.4 GHz, Wired
Number of Batteries	2 AAA batteries required. (included)
Operating System	Linux, Windows 7, Windows XP
Product Features	Wireless
Range	10.0 meters
Style Name	Modern
Theme	Computer Accessories, Ergonomic Design, Thumb Control
Unit Count	1.0 count

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