Type: Bluetooth Wireless Application: Desktop,Laptop,Tablet Keyboard Standard: 68 keys Language: English Operation Style: Capacitive<br><br>Style: Standard,Ergonomics Switches Hot swap: YES Effective range of operation: 10m Continuous operation: 30 hours Support system: for ios/Android/ Charging duration:Less than 2 hours Lithium battery capacity: 210mAh Key lifespan: 3 million times Standby duration: 150 days Standby current: 0.3mA Modulation method: GFSK Working voltage: 3.0-4.2V Note: The above product data is obtained from laboratory testing, and there may be errors in testing different environments and equipment Colour:Black Material:plastic<br><br>Package Contents: 1 x Folding Bluetooth Keyboard<br><br>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.