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Receive Sensitivity (TYP)：<10m

Best Talking Distance (TBR) ≥90dB

Audio signal-to-noise ratio S/N：≥90dB

Frequency response：60Hz～20KHz

Speaker unitSpeaker type：10mm, 32Ω Hi-Fi

Built-in battery：Lithium battery-3.7V, 110mAh

Music time：about 6 hours

Charging time：USB-C, DC5V, 500mA-1000mA

Battery cycle life：about 2 hours

Battery cycle life：Charge and discharge cycles ≥ 500 times