Specifications:          General Specification             Brand Name        QCY             Model        Q25             Optional Color        Black、 White             Wearing Type        In-ear             Product Weight (g)        6.12g             Dimensions (cm\/ inch)        L59.6mm*W8.3mm*T26.51mm           Technical Parameters             Bluetooth Version        V4.1             Bluetooth Chip        CSR8610             Transmission Distance        10m             Support Protocol        HFP\/HSP\/A2DP\/AVRCP             Noise Isolating         CVC             Battery Capacity        55mAh             Talk Time        About 5 hours             ICharging Time        1-2 hours             Switch Song        Support             Voice Prompt        Chinese    Package  Included:                  1 X QCY Q25 Bluetooth Headphone            1 X Charging Cable            2 X Earmuffs            1 X Manual