Description 1. Bluetooth version: V5.0 2. IC model: Jerry 6973D4 3. Support protocol: a2dplavctplavdtplavrcp\hfp\sppsmp\att\gap\gatt\rfcomm\sdp\12cap profile 4. Transmission distance: about 10 meters 5. Frequency range: 20-20KHz 6. Speaker specif
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