Product name: BX25 Material: ABS+PC Bluetooth version: V5.3 Waterproof grade: IPX 5 Transmission distance: 10m Horn diameter: 13mm Playback time: around 7 hours Operation type: touch control Charging interface: TYPE-C Earphone battery: 35mAh Charging compartment battery: 370mAh Charging time: Approximately 1 hour for headphones and 1.5-2 hours for storage Packaging list: earphones * 1 pair, charging cable * 1, charging compartment * 1, user manual * 1 1.Adopting Bluetooth V5.3, which offer you an unparalleled audio experience with faster transmission speed, stronger connection stability, and longer range of bluetooth. 2.These bluetooth headphones with 13mm Carbon element diaphrag provide powerful bass, stunning treble and clear mids. 3.Digital LED display is to show the power level for charging case and wireless earphones. When you put earbud wireless bluetooth into the case, bluetooth earphones will start to be charged. Headphones wireless bluetooth can last for 4h playtime from a single charge and 20-24 extra hours with charging case. 4.The pocket-sized charging case does not take up space to carry. Earbud wireless headphones are designed to fit the contours of the human ear with a curved structure that is same to the shape of the ear canal, making them comfortable to wear and not falling out when running, gym. 5.Features with touch control sensors, wireless bluetooth headphones allows you to conveniently power on/off, play/pause, skip songs, answer/hang up, adjust volume and access other functions at the touch of a button. Free your hands when youre busy doing exercise, driving or running.