Bluetooth 5.0 compatible, IPX4 waterproof true wireless earbuds. - Model: HP-W500N-R - Bluetooth Version: 5.0 - Waterproof Rating: IPX4 - Playback Time: 4 hours - Charging Case Playback Time: 4.4 hours - Codec: AAC ● Please check the specifications. ● Since this item is unused, the contents and operation have not been checked. In the unlikely event of an initial defect, please contact the manufacturer directly. ● Please be sure to charge the device before use. ● Returns are not accepted to prevent product substitution. Thank you for viewing.