Feature: 1. BLUETOOTH 5.0: Helmet earphone adopts bluetooth 5.0 and supports hands free automatic call answering for all cell phones with bluetooth. Automatic answering of incoming calls, automatic answering after reporting the number, improve the safety factor of riding. 2. POWERFUL FEATURES: Motorcycle Bluetooth headset adopts large press button, easy to operate the function control, more convenient operation. With GPS navigation, hands free calling, music, can be connected to 2 cell phones and other functions. 3. HIGH POWER SOUND AMPLIFIER: Bluetooth helmet headset built in HT4832SQ amplifier, using high power sound amplifier, making the sound volume greater, so you can listen to music and answer phone calls clearly in the noise environment of high speed riding. 4. WINDPROOF MICROPHONE: Helmet earphone external professional windproof microphone, using advanced CVC noise reduction technology to reduce background noise during calls, and suppress all kinds of reverberant noise. 5. SUPER LONG STANDBY BATTERY: Motorcycle helmet headphones come with a 450mAh rechargeable lithium ion battery with a 10 hour operating time, and you can charge it with a USB cable for a standby time of about 160h. You can use it even in rainy or snowy weather. 6. SCOPE OF APPLICATION: Motorcycle helmet headphones are suitable for any full helmet and most half helmets, large buttons, easy to operate even with gloves on, perfect for motorcycle driving, bike riding, snowboarding, skiing, etc., To meet your different needs. Specification: Item Type: Motorcycle Bluetooth Headset Material: ABS Bluetooth: 5.0 BT Configuration File: A2DP And AVRCP Amplifier: HT4832SQ Battery Capacity: 450mAh Li Ion Battery (Included) Operating Time: 10 Hours Charging Voltage Current: DC 5V 350mA Cell Phone Distance: Approx. 50m/164.0ft. Package List: 1 x Moto Bluetooth Headset Host 1 x Headset and Microphone1 x Charging Cable1 x Instruction Manual2 x Screw1 x Bracket1 x Hex Wrench5 x Hook and Hoop Fastener