1. Bluetooth standard: 5.3
2. Bluetooth protocol: A2DP/AVRCP
3. Operating frequency: 2.4MHz
4. Input voltage: DC 5V/1A
5. Transmission rate: 2.4Mbps
6. Transmission distance: 10m-15m
7. Frequency range: FM87.5-108MHZ
8. Connection mode: cell phone / tablet / PAD / Bluetooth
9. Keys support: cell phone answer / FM / play / pause
10. Weight: about 10g
11. Size: about 4.4 x 2 x 0.9cm

Functional features:
1. Built-in microphone, hands-free amplification of clear calls, free hands, driving safer
2. LED digital display, high-definition display of frequency, real-time status clearly visible
3. FM87.5-108MHZ frequency adjustable, plug and play, ignition automatic connection, signal stability without lagging
4. Bluetooth 5.3 chip, built-in performance decoder, high-performance stereo, stable signal without lagging, listening to songs smooth without delay
5. USB power, the frequency of the product and the car frequency adjusted to the same connection to the cell phone Bluetooth, you can transfer the music in the phone to the car stereo playback
6. Unlimited models, unlimited cell phones, applicable to most mainstream models on the market, automatic link memory playback