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Retro Bluetooth Speaker,Vintage Bluetooth Speaker
Bluetooth，hands-free calls
Decscript
Bluetooth solution jieli 6928B
Bluetooth version V5.0
Battery  3.7V   400mAh
speaker 4Ω 3W 45边40磁
Bluetooth distances 10m
playing time ≥3-5h
charging time ≥2-3h
SNR ≥90db
power supply DC 4.2V
material ABS+UV
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