Basic Info Waterproof Rating: Not waterproof lens: PC (Plano) temple: PC Button: Aluminum alloy (sandblasting + oxidation) Charging method: TYPE-C Body dimensions (temple L x frame W x frame H) mm: 142.7*149.4*49.1mm Bare weight: 64.45g Product weight including packaging: TBD Platform: Bluetrum BT8961J6+Allwinner V821L2 RAM: V821=64MB, 8961J6=892KB ROM: V821=0, 8961J6=64Mb, SDNAND 16Gb Bluetooth: BT8961J6 WIFI: V821L2 Acceleration sensor: None Light sensor: None Anti-shake: Software Stabilization Physical button: 1 piece, photo/video/audio/reset toggle switch: 1 pc, power on/off (main chip deep sleep) Touch button: 1 pc, adjust volume up/down, play/pause Wear Detection: Supports wear detection Hall: None Speaker: 2 1509 speakers Camera: 8 megapixels (3280*2464) 30fps Sony IMX219 MIC: 2 silicon microphones (1 with noise reduction) Data Transmission: WIFI Indicator light: 2 pieces (status indicator light / shooting indicator light) battery: 410mAh (high voltage 3.85V) three batteries in parallel (supports 1C charging and 1.5C discharging) charging current: Typical value 120 or 160mA, maximum 250mA Charging Management: Optional support for NTC low temperature 0 degrees and high temperature 45 degrees protection. Charger Specifications: DC 5V (current ≥0.5A is sufficient), max input withstand voltage 5.8V, motherboard with OVP