・Bluetooth-compatible Headset Communication System:Using full-duplex call,this two-way Bluetooth-compatible headset supports any 2 paired riders to talk at the same time within a maximum range of 1200 meters (straight line unobstructed) ・Bluetooth-compatible Pairing:This headset allows for easy pairing of up to 6 riders,including a host and 5 subs ・Large Battery Capacity:With a large 850mAh rechargeable battery,only 2.5 hours of charging,the intercom can work up to 12 hours and standby time up to 240 hours ・Powerful Features:After pairing with your phone via Bluetooth,this motorcycle Bluetooth-compatible headset will automatically answer calls after 3 seconds,you can also listen to GPS navigation or listen to music while riding ・ESP Noise Reduction:With improved noise cancellation technology,it supports A2DP high-quality stereo sound,which helps reduce annoying noise caused by wind,engine and surroundings ・Waterproof:Protects against fog,rain and sweat immersion Specifications: ・Bluetooth-compatible Version:5.0 ・Chip:BC 5 ・Battery capacity:850mAh ・Charge and discharge times:500 ・Operating voltage:3.3V-4.2V ・Talk time:24H ・Standby time:240H ・Charging time:2.5H ・Speaker power:0.25W ・Waterproof level:5 levels ・Operating temperature range:-10℃-45℃ ・Charging method:USB charging Package included: ・1 x Host ・1 x Earphone ・2 x Fastener Tape ・1 x Clip ・2 x Screws ・1 x Screwdriver ・1 x Charging Cable ・1 x English and Chiese User Manual