This audio transmitter supports APTX HD, APTX LL, APTX and SBC, offering immersive music experience. And it also supports connecting 2 BT devices at the same time and making voice call when playing games. 

Feature:
Hi-Fi Sound Effect
It supports APTX HD, APTX LL, APTX and SBC, offering immersive music experience. 

Hi-Fi/ Low Latency, Switch at 1 Key
You can switch to Hi-Fi mode when watching movies or listening to music and use Low Latency mode when playing games. Note: The connecting devices should support aptX HD and aptX LL.

Transmitter Mode
It converts the audio signals of audio transmitter like TV into BT signals and send them to BT headsets. And It support connecting 2 BT devices like BT headset, etc with 2 devices using one codec.

Dual Methods
You can choose to input audio through AUX cable or USB interface.

External Antenna
With external antenna, it offers stronger signal and stabler connection.

Indicator Light
It flicks blue light when connecting with 1 device and green light when connecting 2 devices. And you can also know the codec mode easily from the specific area.

Voice Call
You can make voice call while playing games, but only for the first connecting BT headset and second one does not support this function. (USB Mode)

Plug N Play
No drivers required, easy to use.

Note: It supports APTX LL, but the connecting devices should support APTX LL, too. And it also supports APTX LL when connecting 2 BT devices.

Specification:
BT version: 5.0
Supported protocol: A2DP, AVRCP
Frequency range: 2.402GHz-2.480GHz
Input interface: USB, AUX
Power supply: USB DC 5V
One for Two Function: Support
Codec: APTX HD, APTX LL, APTX, SBC
Input voltage: DC 5V
Operating distance: 10m (no obstacles)
Item size: 83* 28.5* 14mm/ 3.27* 1.12* 0.55in
Item weight: 24g/ 0.85oz
Package size: 150* 88* 18mm/ 5.91* 3.46* 0.71in
Package weight: 45g/ 1.59oz

Packing list:
1 * BT 5.0 USB Audio Transmitter
1 * 3.5mm audio cable
1 * External antenna
1 * User manual