BT5815 Bluetooth Audio Transmitter Receiver

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Main chip CSR8670
Bluetooth specification Bluetooth V5.0
Frequency range 2.4GHz – 2.480GHz
Bluetooth receive mode wireless range Backward (20m to 30m) Direct (30m to 40m)
Bluetooth transmit mode wireless range Backward facing (30m to 40m) Direct facing (40m to 60m)
Receive support Bluetooth protocol A2DP AVRCP SBC APTX APTX-LL
Transmitting support Bluetooth protocol A2DP SBC APTX FS APTX-LL
Audio formats Stereo analogue audio, optical digital digital audio
Built-in lithium battery None
External interfaces   3.5mm audio male plugs (2), optical connectors (2), Micro USB male plugs