BT-C1
Product Features
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DAC : ESS 9318
Blue Version ：5.0
Bluetooth audio support formats ：SBC，MP3，AAC，APTX，APTXLL
Battery Capacity ：270mAh
Distortion ：＜0.05%；
SNR ：≥125dB；
Muisc Time ：≥6hours；
Charging time ：＜2hours；
Accessories：USB Accessories line *1、Instructions *1、Warranty *1
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firmware & tool
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Instructions
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