Transducer diameter: 13 mm Delay level: 68 ms Application: QCY App Compatibility: iOS, Android Bluetooth version: 5.3 Bluetooth range: 10 m Operating time: 5 h (headphones), 22.5 h (with charging case) Bluetooth profiles: A2DP, AVRCP, HFP Battery capacity: 27 mAh (handset), 350 mAh (charging case) Charging port: USB-C Water resistance: IPX5
