2.4G&Bluetooth 5.0 dual mode:This creatively and conveniently designed mouse,can work on TWO DEVICES, connecting one device through Bluetooth and the other via RF 2.4Ghz. 7-Color Changeable Backlight:7 different LED light colors that change while in use, offering smoothing ambient lighting(Note:Changing colors automatically and not stay at one color, the led can not be programmed and it will change regularly with 7 colors.)Reassuring LED lighting, more transparent light effect, suitable for demand for more types of games, makes your mousemulti colored and imagination cool colorfu. Rechargeable and Ergonomic Design:Battery run out?Never happen on it- Charge the mouse by included micro-usb charge cable as soon as your mouse is running low on juice. Charging fully, work for 6 Months. Battery circle life is 500 times. Comfortable design:Ergonomic design,perfect for All Hands,fits comfortably in your hand and the buttons are perfectly located for your office and gaming needs, avoids hand fatigue for long term use. USB Nano Receiver can be stored in the back of the mouse. and convenient, easy to carry. Type: wireless mouse DPI: 800-1200-1600 Operating Range: up to 10 m Number of keys: 6 keys Interface: Bluetooth & 2.4G Wireless transmission frequency: 2.4GHz Compatibility: Work with Bluetooth mode works with ,(Win8 and above all) Android,( Android4.3 and above all) OS system( os10.10 and above all. No code required and intelligent connectivity. 2.4G mode works for laptop, desktop, smart TV and any device with USB port.(NOTE:BLUETOOTH works ONLY with 4.0 and ABOVE VERSION.) Colour:Black Material:ABS Size:126 x 74 x 41MM Package Contents: 1 x Mouse 1 x USB Receiver 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.