Features: brand new and high quality Long connection distance: Built-in bluetooth-compatible 5.0, for most bluetooth-compatible mobile devices. The max effective distance is 20 meters, automatically connect and enjoy music, strong signal connection , providing efficient and convenient communication during riding. Clear and perfect sound quality: This motorcycle headset adopts BT5.1 technology, clear and high-quality stereo music sound, has a microphone function and supports automatic answering of calls, for all smartphones, can be used for motorcycles, skiing, horseback riding Wait. Easy to install: it is easy to install it into the helmet, it is firmly fixed, and the two comfortable ear pads will not squeeze your ears. Waterproof: using nano-coating technology, no interference, dustproof, IPX7 waterproof, can safely protect the headphones outdoors, without worrying about rain or snow. Specifications: Material:ABS Bluetooth-compatible version: BT5.1 Battery Capacity: 200mAh Listening Time: about 8 hours or more Colour: Black Package Includes: 1x Motorbike Headset 1x Cable 1x Manual note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!