Item Type: Motorcycle Bluetooth Headset_x000D_ Material: Plastic_x000D_ Bluetooth: 5.0_x000D_ Frequency Range: 2.402GHz~2.480GHz_x000D_ Distance: Approx. 20-30m/65.6-98.4ft (Varies by Phone)_x000D_ Battery Capacity: 450mAh Lithium Battery (Included)_x000D_ Charging Voltage: 5V1AUTOMATICALLY ANSWERING CALLS: BT 5.0 helmet headset is equipped with Bluetooth 5.0 chip, supports intelligent noise cancellation and cell phone voice helper system, supports automatically answering calls, freeing your hands. 2FUNCTION: motorcycle bluetooth headset has the function of listening to GPS navigation voice, hands free calling, music, voice helper, FM radio. Large press button, easy to operate function control, more convenient to operate. 3LONG TIME STANDBY: The Bluetooth headset is equipped with 450mAh rechargeable lithium battery, charging time is about 2 hours, standby time is about 360 hours. No need to worry about the power problem 4NOISE CONTROL: Motorcycle bluetooth headset supports DSP noise suppression technology, suppresses all kinds of reverberation noise and effectively reduces background noise, allowing you to enjoy high definition calls while riding. 5VOLUME ADJUSTMENT, SUPERIOR SOUND: Volume Upgrade technology allows you to easily adjust the volume you need. Deep bass and crisp treble response can perfectly solve the problem of not hearing the headset while riding. 6IP65 WATERPROOF, EASY TO INSTALL: The waterproof helmet speakers can be used with confidence even in rainy or snowy days. Easy to install and compatible with all kinds of helmets. 1 x Motorcycle Bluetooth Headset 1 x Charging Cable 8 x TouchFastener 1 x Instruction Manual