OUCRIY Bone Conduction Headphones Wireless Headphone

Specification: Item Type: Bone Conduction Headphones Material: ABS Memory: 32 GB Working frequency: ISM band (2.402-2.480 GHz) Battery: Built-in 300mAh lithium battery Supported Sound: MP3, WMA, FLAC, APE Features: waterproof, bone conduction, long battery life, no hands Calls Bluetooth protocol: 5.0 Usage: Headband or both ears: Double-sided stereo Colour: black. Charging time: 3 hours Playing time: 6-12 hours. Style: Sporty Water Resistance Rating: IPX8 Data Transfer: Connect the headset to a computer using a data cable, the computer will automatically recognize it as a removable disc for music transfer or deletion. Packing List: 1 x Headphones. 1 x USB cable. Notice: 1. Do not use the device at a high volume near the ears to protect your hearing. 2. Do not charge the device for more than 4 hours each time, as prolonged charging can accelerate the aging of the battery and reduce its service life. 3. If the device is not used for an extended period, please charge it at least once a month to avoid excessive battery discharge, which could cause damage. 4. Use the original data cable for operations, as using a non-original data cable may damage the device. 5. When connecting the device to a computer, strictly follow the operator's requirements to safely eject the removable disk before disconnecting the data cable to avoid permanent damage to the removable disk.