Product Description Main Feature Frequency 20Hz–20kHz Impedance 16Ω Sound level/Sensitivity 96dB SPL/1mw Connection Type Wireless Microphone Yes Battery Polymer Li-ion Battery (3.7V, 120mAh) Duration Charging time: <2hr Music play time with BT on: >16hr Talk time with BT on: >16hr Physical Specification Drivers 8.6mm Weight 16.2g Color Blue, Black, Red
