PS0DG-07. Video recording and Bluetooth communication smart helmet. Suitable for motorcycles, electric motorcycles, off-road vehicles, ATVs, road vehicles, and roller skating outdoor sports for safe riding. Smart helmet model: PS0DG-07 Main material: ABS+PC+EPS Head circumference size: 54-66cm, 640g Battery capacity: : 3.7V-4.2V / 1800mAh Camera lens DSP: AHD 1920x1080P AI Bluetooth: WIFI+APP AI nagativtion AI Talking order Bluetooth transmission: 8M-10M Speaker: 2x0.5W (stereo) Microphone: -35dB -41dB Bluetooth mode: BT5.2+BLE4.2 (dual mode) Electrical parameters: USB TYPE DC 5V/0.5A Charging mode: plug-in charging port 3h Intelligent voice/remote control dual-mode operating system: WIFI+APP, answering calls, sending and receiving SMS messages, receiving news broadcasts, voice navigation, MP3 music, connection flash control (left turn light, right turn light, double flash light) Function car lights: MP3+ light battery life 6h, ARGB LED 9-color colorful tail lights + left/right turn signals> 20h Operating System (iOS): Mac ios Android Step Price (FOB): 1. Single price USD175.80 2.20set, USD73.85 3.40set, USD66.47 4.60set, USD59.82 5.80set, USD53.84 6.100set, USD48.46 MOQ 1 starting wholesale item price USD59.82, air freight USD49.00, transportation cycle 14 days to 21 days to the door, support one generation