High-concerned chemical : None<br>Gross Weight : 65g<br>Power Type : Battery<br>Number of Rollers : 1 pcs<br>Hand Orientation : Right<br>Package : Yes<br>Style : Mini<br>DPI : 1600<br>Interface Type : Bluetooth<br>Battery Included : No<br>Type : Bluetooth Wireless<br>Brand Name : congdi<br>Origin : Mainland China<br>Number of Buttons : 4<br>Feture 1 : For laptop, desktop,office use<br>Feture 2 : 800-1200-1600 DPI<br>Feture 3 : silent mouse,noiseless mouse<br>Feture 4 : 10m<br>Feture 5 : mini mouse,mouse usb,laptop accessories<br>Feture 6 : computer mouse,wireless mouse computer<br>Feture 7 : mouse gamer<br>Feture 8 : wireless mouse<br>Feture 9 : Gaming Mouse Wireless<br>Feture 10 : mouse gaming<br>Feture 11 : Wireless mouse for portable<br>Feture 12 : laptop mouse,pc Mouse,mouse<br>Feture 13 : ergonomic mouse<br>Feture 14 : Dual Modes Bluetooth-compatible 2.4G USB Mute mouse<br>Feture 15 : Bluetooth-compatible mouse<br>