SW-B48
Product parameters:
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BT Version : 5.0
Speaker diameter:10mm
Impedance:32ohm
Sensitivity:102dB at 1kHz
Frequency range:20Hz-20kHz
Working Voltage:3.7V
Supports A2DP/HFP/HSP/AVRCP
Rechargeable 60mAh Li-polymer battery
Music time: up to 3 hours
Wireless range: 10m