SONY LinkBuds S WF-LS900N Violet This item is new and unused, so it has not been opened. Please note that the operation has not been confirmed. [Specifications] Type: Sealed dynamic Body weight: Approximately 4.8g x 2 Continuous playback time (earphones + case): Up to 20 hours (6 hours + 14 hours) Charging time (using the case): Approximately 3 hours (USB charging) Driver unit: 5 mm Water resistance: ● (IPx4) Bluetooth profile: A2DP, AVRCP, HFP, HSP Supported codecs: SBC, AAC, LDAC Communication method: Bluetooth standard Ver. 5.2