PSGOTALK4 Motorcycle Bluetooth walkie-talkie (headset). Suitable for motorcycle full-face helmet/half-helmet/uncovered helmet/ rally helmet/antique helmet and another snowmobile/ATV/off-road vehicle riders. Compatible with other Bluetooth walkie-talkies, 4-person group (3-person sub-phones) to connect to the intercom, the longest distance is 2000m, the talk time is 22hours, IP67 waterproof and worry-free riding, HD high-definition quality audio transmission. Compatible with other bluetooth walkie-talkies 4-person group (3-person handset) connection switch intercom call,Chinese,English switch,voice call,stereo music,volume control,playback control Bluetooth intercom headset model: PSGOTALK4 Main body material: ABS+PVC Battery capacity: 3.7V/500mAh Working voltage: 3.0V-4.2V Talk time: 15-20h Standby time: 300h Charging time: 3h Electrical parameters: USB TYPE DC 5V/1.5mA Frequency range: 2.402GHz-2.480GHz Radio frequency band: 60MHz-108 MHz Transmit power: 20dBm (100mW) Intercom function: 4 people group real-time intercom Speaker: Rated Power Input 20MW, Max Power Input 30MW Microphone: 88dBm Bluetooth mode: BT5.1 Intercom distance: 2000M Bluetooth transmission: 50M Charging mode: plug-in charging for 3h Waterproof grade: IP65 Working temperature: -30 +60 Operating System (iOS): Mac ios Android Step Price (FOB): 1. Sample unit price USD86.15 2. 200set, USD51.69 3. 400set, USD46.52 4. 600set, USD41.87 5. 800set, USD37.68 6. 100set, USD33.91 Single pack Carton size 13.5x12.5x6CM Single box gross weight 315g Single box gross weight 16.5kg Single box size 51.5*46*30cm 48 units in a single box