1. Bluetooth version: Bluetooth V5.0
2. Body material: PC, ABS
3. Transmission distance: about 10m without barriers
4. Support protocol: AVRCP, A2DP
5. Output: DC 5V/2.1A
6. Interface type: USB interface/3.5mm interface
7. Basic functions: Bluetooth receiver (RX)/Bluetooth transmitter (TX)/TF card playback/FM transmitter (adjustable frequency)/card reader/call/listen to songs/navigation
8. Support equipment: all kinds of speakers/cars/TVs/desktop computers/notebooks/power amplifiers/projectors, etc.
9. Music format: support APE/FLAC/WAV/MP3/WMA
10. Memory card capacity: support within 64G (you need to bring your own TF card)
12. Packing list: adapter, manual, 3.5mm audio cable
13. Weight: about 19g
12. Size: about 7.5x2.5x1.5 cm

Features:
1. High-definition LED digital display, the use status is clear at a glance
2. Small size, easy to carry, PC fireproof casing of the fuselage, through high-gloss surface treatment process, sturdy and durable
3. No restrictions on car models, plug in the car AUX port/FM radio to connect to the Bluetooth of the mobile phone, support listening to songs/navigation/calls
4. Smart compatible devices, support devices with audio input/output interfaces
5. Support TF card, plug and play
6. Automatic power-on, four modes can be switched arbitrarily, piano paint material, comfortable touch
7. Built-in Bluetooth 5.0 chip, fast connection speed and stable signal
8. Memory function, automatically connect back after power on, memorize device/mode/song/frequency