1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0Specification Product size101 54 20 5MMBT VersionBT5 1Body materialABS PVC plasticOperating Temperature Range 40 60℃Frequency range2 402GHZ 2 480GHZHorn diameter40MMCharging voltage5VCharging time2 5 hoursBattery850mAhTalking time30 hoursStandby time500 hoursExternal interfaceType CSupport bluetooth compatible ProtocolA2DP AVRCP HS HFThe longest distance of bluetooth compatible link distance50MIntercom wireless transmission range1500M Feature 1 Full duplex bluetooth compatible real time intercom ultra high and excellent sound quality effectively noise reduction even when driving at high speed up to 150km h you can clearly answer calls and intercoms 2 Remote Intercom support multi person intercom the longest distance is at a remarkable range of up to 1 5km just enjoy the pleasant talking with your friends or travel companions s ay good bye to boring journey 3 Long Battery Life built in 850mAh large capacity battery it takes about 2 5 hours to be fully charged lasts about 30 hours talking 500 hours standby 4 IP65 Waterproof double protection for internal parts allows you to answer calls while riding your motorcycle in bad weather such as rainy snowy day 5 Stylish Appearance brand new exterior design blends naturally with your helmet ultra slim and lightweight making your riding trip more enjoyable comfortable and exciting Package Included 1xHeadset1xClip1xScrew Bag1xScrewdriver2xFastene