Bluetooth Motorcycle Helmet Intercom FM Radio MP3 GPS Walkie-Talkie Waterproof Ski Intercom 800-1000m

Note: If you do not use the headset for a month or more,to protecct the Poly-Li battery, please charge the headset at least every month. The charger is not included. Specifications: BT Version: 3.0+EDR Operation Distance: 10m Intercom Distance: 800-1000m Frequency: 2.4GHz Supports: A2DP and AVRCP Operating Range: Up to 10m for cellphones Battery Type: Rechargeable Lithium Polymer Battery Capacity: 450 mAh Standby Time: Up to 300 hours Talk Time: Phone up to 10 hours Intercom up to 8 hours Charging Time: 3 hours Power Adaptor: DC5V 500mA Material: ABS Item Size: 7.7*4.3*2.0cm/3.03*1.69*0.78in Item Weight: 36.5g/1.28oz Package Size: 16.9*10.8*5.4cm/6.65*4.25*2.12in Package Weight: 330g/11.64oz Package List: 1* Headset 1* Screw Driver 3* Adhesive Earphone Pads 1* Adhesive Earphone Pads(on the helmet) 1* Travel Charger 1* Audio Cable 1* Charging Cable 1* Headphone Clip with Fastening Screws 1* Multi-language User Manual