PSKJ-001. Smart Bluetooth electric motorcycle riding helmet. Suitable for electric motorcycle, bicycle, mountain bike, rock climbing, road car, roller skating car, motorcycle, scooter, roller skating and other outdoor sports ultra-light and comfortable safety helmet. functional parameter: Function headlights, Bluetooth voice-controlled bicycle helmet PSKJ-001 Main material: ABS + EPS integrated molding Head circumference size: M / L 57-61cm Product color: elegant white, advanced gray, PC optical hd goggles piece. Support the buyers to customize the color Bluetooth parameters: 5.0 Bluetooth stereo sound, wind protection and noise microphone, stable call, clear navigation, one-key control, convenient and fast Battery capacity: 3.7V / 500 mAh Bluetooth transmission: 10M-12M Speaker: 2x0.5W (sound) Microphone: -35dB-41dB Bluetooth mode: BT5.2+BLE4.2 (dual-mode) Electrical parameters: USB TYPE DC 5V/0.5A Charging mode: plug-in charging for 3h Battery life time: 15h Standby time: 30h Waterproof grade: IPX 4 Bluetooth communication mode operating system: answer the phone, voice-controlled navigation, MP3-4 music The strong helmet has high strength and impact resistance, the one-handed dial fixing system on the back of the helmet can easily adjust and tighten the overall fit of the head, and the soft chin cushion improves the comfort of the chin Has been certified by CE, CPSC / ASTM Operating system (iOS): Macios Android. Step Price (FOB): 1. Unit price USD88.60 2.20set, USD37.06 3.40set, USD33.35 4.60set, USD30.00 5.80set, USD27.00 6.100set, USD24.30 MOQ 1 starting wholesale item price USD30.00, air freight USD49.00, transportation cycle 14 days to 21 days to the door, support one generation