PSBH-51M neo. Sports camera and SOS rescue bluetooth communication smart helmet. Suitable for electric motorcycles, bicycles, motorcycles, off-road vehicles, ATVs, road vehicles, rock climbing, roller skating outdoor sports safe riding. Smart Helmet Model: PSBH-51Mneo Main material: PC+EPS Head circumference size: (57-61cm, 480g) Polymer lithium battery: 3.7V / 450mAh (1.665WH) Video resolution: 1080FHD 1920x1080 Intercom function: multi-person group real-time intercom Smart Alert: SOS Location Rescue Camera lens DSP: MOV Bluetooth transmission: 10M-12M 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: Magnetic charging port 3h Standby time: 180 days Intelligent voice/remote control dual-mode operating system: WIFI+APP, answering calls, voice navigation, connection flash control (left turn light, right turn light, double flash light), MP3 music Function lights: MP3+ light lasting 6h, ARGB LED colorful taillights+left/right turn signal>10h Operating System (iOS): Mac ios Android Step Price (FOB): 1. Single price USD423.10 2. 20set, USD177.69 3. 40set, USD159.92 4. 60set, USD143.93 5. 80set, USD129.54 6. 100set, USD116.60 MOQ 1 starting wholesale item price USD143.93, air freight USD49.00, transportation cycle 14 days to 21 days to the door, support one generation