Phonation unit 16.2mm moving coil Audio decoder APTX, AAC, SBC Frequency Response 20Hz-20kHz Technical support A2DP, AVRCP, HFP, HSP Waterproof grade IPX5 INPUT DC 5V-400mA Charging duration 1.5h Charging port Type-C Weight 13g（Single）/90g（Whole）
Endurance 19 hours of single battery life combined with a charging compartment, can last up to 46 hours Charging for 5 minutes, battery life for 1 hour
