Working speed: 2.4G Working voltage: 3.7V Maximum power: 0.5W Body material: ABS Input interface: TYPE-C Input parameters: 5V/0,3A Color: Black Power: Polymer Battery life: 35 minutes Charging time: 60 minutes Working environment: -10-50 degrees Battery capacity: 130mAh Product specifications: Length 145mm Supporting software: Custom APP Switch type: Lamp head button switch Working mode: Press and hold for two seconds to turn on/off Charging and discharge protection: built-in over and discharge IC, extend battery life Battery status: LED lights red when battery is full, flashes red when battery is low Charging mode: LED flashes red when charging, red when fully charged Status mode: blue light flashes when not connected to WIFI, blue light when connected to WIFI Waterproof class: IPX5 (rainproof, splashproof) Product accessories: Earstick, TYPE-C charging cable, 4 spoon heads, manual, color box functions 1. Visual Function 2.Built-in 5-megapixel HD 1080P camera (3.5mm ultra-thin lens) 3. Intelligent temperature control (25 otoscope temperature) 4. Intelligent magnetic switch 5. Excluding blue light disinfection 6, IP67 waterproof design lens can be washed, convenient and hygienic 7.Replaceable ear plugs to avoid cross infection 8.130MAH battery capacity (TYPE-C charging interface)