1. Material: PC, ABS
2. Bluetooth operating frequency: 2.4GHz
3. Transmission rate: 80Mbps
4. Bluetooth transmission distance: about 10 meters
5. Bluetooth version: V5.0
6. Working frequency: 2400MHz
7. Interface: AUX+USB
8. Basic functions: Bluetooth receiver/Bluetooth transmitter/TF card playback/active search reject blind connection/hands-free call/navigation/wireless music listening/computer card reader/external sound card/memory back connection
9. Scope of application: various types of cars, mobile phones, computers, stereos, power amplifiers and other devices with audio input/output interfaces
10. Power supply mode: USB direct plug charging/power supply
11. Battery capacity: 170mAh
12. Music format: MP3/APE/FLAC/WAV/WMA
13. Support protocol: HFP/A2D/AVCTP
14. Input parameters: DC 5V/2.1A
15. Packing list: adapter x1, 3.5mm audio cable x1, manual x1
16. Size: about 7.5x2.5x1.2 cm
17. Weight: about 15.4 grams


Features:
1. Using PC+ABS material, high-gloss craftsmanship, comfortable hand feeling
2. Equipped with Bluetooth 5.0 chip, stable transmission without delay, and lossless sound quality
3. Bluetooth receiving and transmitting two-in-one, no driver, plug and play
4. LCD high-definition digital display, Bluetooth mode and working status are clearly visible
5. The launch mode can display the pairing name and actively search
6. Built-in 170mA polymer battery, continuous listening to songs for about 4H, USB direct plug charging/power supply
7. Support TF card playback, built-in smart decoder can be played directly (support FAT32 format), but also a card reader and computer external sound card
8. Built-in high-definition microphone, support hands-free call/listen to music/navigation
9. Memory function, automatically connect back after the first pairing
10. The barrier-free signal is about 10 meters stable transmission, 2.4G high frequency signal