Features:
1. Exquisite appearance
2. Adopt CSR chip design
3. Support TX dual stream
4. Support audio input mode interchange, USB, AUX can be switched freely
5. Support USB 5V power supply, so that your device will never lose power
6. Using an external signal antenna, the signal is stronger and the connection is more stable.
7. Support SBC, apt-X LL, apt-X HD, apt-X
8. The product connection is simple, without any cumbersome driving and downloading APP

Product Specifications:
1. Bluetooth version: V5.0; Supported protocols: A2DP, AVRCP; Bluetooth distance: more than 10m (unobstructed place)
2. Working frequency band: 2.402GHz-2.480GHz
3. Power class: Class II
4. Input interface: USB, AUX audio
5. Power supply mode: USB DC 5V power supply
6. Support dual stream (TX mode): support one transmitter to connect two bluetooth speakers or headphones at the same time (use one CODEC at the same time)
7. Codec mode: CODEC, APTX HD, APTX LL, APTX, SBC
8. Note for APTX use: support low-latency apt-X LL CODEC (connected devices must also support apt-X LL), dual connections can also support APTX LL
9. Pairing indicator: the blue light is on when one device is connected, and the green light is on when the one-to-two connection is successful
10. Encoding light: respectively encode the audio transmission of Bluetooth devices: APTX HD, APTX LL, APTX, SBC
11. Pairing button: click to connect back, double-click to quickly enter the pairing state
12. LL/HD switch button: click to switch cycle (the connected Bluetooth device also needs to support LL/HD audio encoding)
13. Duplex call mode: During USB audio transmission, when connecting to a Bluetooth device, press and hold the pairing button for 1 second to switch to duplex call mode
14. Compatible: Support PC use, support Switch dock mode
15. Dimensions: 83x28.5x14 mm
16. Weight: 24g

Packing list:
Host x 1
3.5mm audio cable x 1
External Antenna x 1
Operating Instructions x 1