1.Dual Functionality: Switch seamlessly between Bluetooth Transmitter (TX) and Receiver (RX) modes for versatile use with a range of devices. Stream audio from your computer, TV, or projector, or receive it on speakers, headphones, or car systems
2.Bluetooth 5.3: Enjoy a stable and fast connection with Bluetooth 5.3, ensuring low latency and high-quality audio streaming in both transmission and reception modes
3.TF Card Playback: Play your favorite music directly from a TF card, offering an additional convenient option for audio playback
4.Universal Compatibility: Equipped with an AUX interface, this adapter is compatible with various devices, making it an ideal choice for home and car audio systems
5.Portable and Long-lasting: Built-in 180mAh battery with a protection board provides 3-4 hours of continuous use, making it perfect for on-the-go entertainment

Specifications:
1.Product model: Q9
2.Transmission distance: about 15M (barrier-free)
3.Supported protocols: AVRCP, A2DP
4.Standby time: about 30 days
5.Input: DC5V/1A
6.Output: AUX
7.Microphone: high-quality microphone
8.Bluetooth version: V5.3
9.Music format: WAV/MP3
10.Bluetooth mode: Bluetooth receiver/Bluetooth transmitter
11.Product size: 53.6*38*14.5mm
12.Product weight: about 20g
13.Basic functions: Bluetooth reception (RX), Bluetooth transmission (TX)
14.Supported devices: speakers/cars/TVs/computers/headphones/amplifiers/projectors/mixers, etc.