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B21 AUX Bluetooth Audio Adapter Bluetooth 5.0 Receiver Transmitter
B21 AUX Bluetooth Audio Adapter Bluetooth 5.0 Receiver Transmitter
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1. Chip: CSR8675
2. Bluetooth version: Bluetooth V5.0
3. Supported protocols: RX: A2DP AVRCP TX: A2DP
4. Working frequency band: 2.402GHz -2.480GHz
5. Power level: power level 1 (Class I)
6. Sensitivity: -80dBm
7. Signal-to-noise ratio: above 75dB
8. Codec: TX: apt-X HD, apt-X LL, apt-X, SBC; RX: apt-X HD, apt-X LL, apt-X, SBC
9. Built-in battery: 1000MAH
10. Charging current: about 200MA
11. Charging time: about 4.5 hours
12. Battery life: RX is greater than 20H, TX is about 15H on average
13. Bluetooth distance: greater than 80M (straight line without obstruction)
14. Charging method: Micro USB 5V/0.5A
15. Input/output connection: SPDIF interface, I2S AUX interface
16. Compatible: Android, IOS system mobile phones and PAD, and Bluetooth speakers or headphones that support A2DP protocol are connected to use
17. Support dual stream (TX mode)
18. Support one yovda transmitter to connect two bluetooth speakers or headphones at the same time and use one CODEC at the same time
19. Support multi-point connection (RX mode)
20. Support to connect two mobile phones
21. Size: about 12.5x7.5cm
22. Weight: about 113 grams
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