Bluetooth V5.3 Bluetooth Protocol A2DP, AVRCP, HFP Effective Distance 10M Playtime (hours) ANC ON: 3.5h(earbuds) + 14h(charging case) ANC OFF: 5.5h(earbuds) + 22h(charging case) Battery Capacity 4.4V 35mAh(earbuds) |3.8V 460mAh (charging case) Charging Port Type-C Input 5V 200mA (earbuds) |5V 1A (charging case) Charging Time 1h (earbuds) | 1.5h (charging case) Weight 51g Audio Coding SBC, LDAC Driver Φ13mm Dynamic Impedence 32Ω Sound Pressure Level 94±3dB SPL (A) Frequency Response 20Hz-40KHz Mircophones 6 (3 on each earbud) Microphone Sensitivity -38dB±1dB IP Rating IP54 Dimension (L x W x H mm) Earbuds: 36.15mm*18.14mm*19.76mm Charging case: 58.0mm*26.4mm*51.86mm Dimension (L x W x H mm) 400mmx120mmx10mm