Wireless Bluetooth Earphones For In Car Business, One Ear For Call Standby, 24 Hour Long Battery Life, Bluetooth 5.3 Features: IPX5 waterproof: IPX5 test, running, fitness and other conditions can prevented rain and sweat erosion. Energy saving, low consumption, large battery, no burden: built-in 230mAh battery, supporting fast charging (full charge in 60 minutes). Smart One Drag Two: Wider , supporting mainstream Bluetooth enabled phones, computers, tablet devices, and multiple APP-. Symmetrical left and right ear wear: Rotate the detachable ear hook to fit the auricle, and the left and right ears can be worn securely. Intelligent noise reduction HD call: Built-in dual noise reduction system, filtering external noise to reduce interference during calls, noise reduction, and making communication more pure. Product Description: Parameters: Call duration: 24 hours Bluetooth version: 5.3 Horn size: 10mm Transmission distance: greater than 10M Battery capacity: 230mah Playback duration: 24 hours Standby time: 160 hours Charging duration: 1 hour Package: 1 * Earphones 1 * Charging cable 1 * Instructions