Bluetooth version: Bluetrum 8925B V5.2
Bluetooth protocol: A2DP/AVRCP/HFP/HSP
Audio decoding: AAC/SBC
Effective distance: 10m
Frequency response range: 20Hz-20KHz
Rated input: 3.7 V 250mAh (charging box)
Working hours: about 30 hours of playing time
Charging time: about 1h
Working temperature: -10~55℃
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Shenzhen D-wireless Co., Ltd. is a OEM manufacturer of mobile accessories. It already got ISO 9001:2015 quality system certificate.
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