More Details: Specifications:          General Specification             Brand Name        ZEALOT             Model Number        T-one             Optional Color        Blue、 Green、 Pink、 White             Product Weight (g)        10g             Dimensions (cm\/ inch)        35*35*29mm           Technical Parameters             Bluetooth Version        CSR4.0             Transmission Distance        10M             Battery Capacity        120mAh             Working Voltage        3.7V             SNR        ≥75dB             Frequency Response        100Hz-19kHz             Play Time        About 3 hours             Stanby Time        30 days            Transmission Range         10m            Microphone        Yes            Self-timer        Yes    Package  Included:                  1 X Zealot T-one Bluetooth Speaker            1 X DC Charging Cable            1 X Manual