Specifications: Item Type: Wireless Finger Ring Mouse Material: ABS Resolution: 1000 DPI Wireless Frequency band: 2.4G MHz/Bluetooth Charging time: 2 hours Operating time: 15 hours (Continuous use) 170 days (standby) Service distance: 10-12 meters Supported system: for XP/WIN7/8 Battery type: Lithium battery 150mAh x 1 (built-in) Package List: 1 x Wireless Finger Ring Mouse 1 x Receiver 2 x reservation />1 x USB cable 1 x User Manual.
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