B023 Ultra Light Mini Bluetoot...

Product Description Keyboard lifespan: More than 3 million keystrokes Bluetooth version: 3.0 Interface and connector type: Bluetooth Power type: Lithium-ion battery Lithium-ion battery capacity: 90 mAh Working voltage: 3.3–4.2 V Standby current: Less than 0.4 mA Working distance: 6–8 m Response speed: No Button material: ABS Anti-ghosting number: No Keyboard layout: 80 keys