Our remote control adopts onboard efficient Bluetooth-compatible antenna, the effective connection distance in open space can reach up to 80 meters. Equipped with an independent and efficient charging management chip, the remote control is designed with TYPE-C charging interface so that it can charge for half an hour and uses for half a month. Low power 5.0 Bluetooth-compatible chip and 120mA rechargeable lithium battery make the clicker work over 15 days. Apart from camera shutter, the remote control also serves as a page turner/clicker on Apps, making it an essential tool for those who wants to free their hands when using cell phone. Lithium batteries with protective plates features over temperature protection, over charge protection, over discharge protection, and over current protection. Item Name: Phone Remote Control Material: ABS Wireless Type: Bluetooth-compatible Rated Charging: DC-5V Transmission Distance: >10 Meters Charging Current: