PSBJL-0103. Smart Bluetooth Mountain road Bike riding helmet. Suitable for bicycle, mountain bike, rock climbing, road bike, roller skating bike, electric motorcycle, scooter, roller skating, roller skating and other outdoor sports ultra-light and comfortable safety helmet. Voice phone, MP3 / 4, left and right turn signal, warning light, with lenses, with a hat brim, with a dashcam installation base. functional parameter: Function headlights, Bluetooth voice-controlled bike helmet PSBJL-0103 Main material: ABS + EPS integrated molding Head circumference size: M (56-61cm) L (58-63cm) Product color: white and black, gray black, green. Support the buyers to customize the color Bluetooth parameters: 5.0 Bluetooth connection control, one-key connection, 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: 20h Intelligent voice / remote control dual mode operating system: answer calls, sound navigation, MP3 music, connecting flash control (left turn light, right turn light, double flash light) Function lights: MP3 + light endurance 6h, ARGB LED dazzling tail light + left / right turn signal> 10h Has been certified by CE, CPSC / ASTM Operating system (iOS): Macios Android The one-hand 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 band improves the chin comfort Magnetic goggles, stronger eye protection, facial sand resistance and insects Step Price (FOB): 1. Unit price USD107.70 2.20set, USD45.20 3.40set, USD40.70 4.60set, USD36.60 5.80set, USD33.00 6.100set, USD29.70 MOQ 1 starting wholesale item price USD36.60, air freight USD49.00, transportation cycle 14 days to 21 days to the door, support one generation