BLACKVIEW KEYBOARD WIRELESS FOR ALL TABLETS & PHONES

Bluetooth Version:Bluetooth 3.0 Effective Operating Distance:< 8m Keys Quantity:78 Keys Key Lifespan:3,000,000 Times of Keystrokes Power Supply:Rechargeable Lithium Battery Battery Capacity:280mA ,Working Duration over 30 hrs and Standby Time over 35 days. Charging Duration:2H~3H and Operating Temperature:-10°C ~ +55°C Languages Compatibility:Devices with Android/Windows/iOS Systems Product information Product Dimensions ‎10.83 x 6.89 x 0.59 inches Item Weight ‎11.3 ounces Manufacturer ‎Blackview ASIN ‎B09WV8W556 Batteries ‎1 Lithium Polymer batteries required. Customer Reviews 4.5 out of 5 stars 4 Reviews Best Sellers Rank #166 in Tablet Keyboards Is Discontinued By Manufacturer ‎No Number of Keys ‎78 Item Dimensions LxWxH ‎10.83 x 6.89 x 0.59 inches Material ‎Acrylonitrile Butadiene Styrene Included Components ‎USB Cable Number of Buttons ‎78