Tablet Bluetooth keyboard combined with protective case, convenient for a business trip The Bluetooth keyboard has a long-lasting button life, is durable to use The keyboard has a built-in lithium battery, convenient to charge and use Can be converted to a supporting stand for hands-free movie watching and web surfing Fine workmanship, and equipped with a backlit so that you can normally use it at night The integrated Bluetooth keyboard case comes with a touchpad, restoring laptop features Slim and lightweight design, convenient for travel, business trips, etc. Specifications Bluetooth Bluetooth 5.3 Material PCTPUPU leather Operating Voltage 3.0-4.2Vnbsp nbsp Number of keys 64 keys Continuous working time ge 5 hoursnbsp nbsp Working current 8.5-120mA Standby current 1mAnbsp Low battery alarm 3.0-3.3Vnbsp Battery capacity 500mAhnbspnbsp Standby time less than 150 days Key life 3 million timesnbspnbsp Battery life 3 years Connection distance le 10 metersnbsp nbsp Key strength 50-70g Charging current 250mAnbsp Charging Interface Type-C USB Wake-up time 2-3 secondsnbsp nbsp Charging time 2-3 hours Random password Nonenbsp nbsp nbsp Operating temperature -10-55