Main Features
1. Support Bluetooth hands-free calling, built-in microphone, convenient and secure answering phone
 2. Noise handling during call CVC, wind noise suppression, full duplex call technology
 3. Support mobile phone A2DP function, directly play high quality mobile music after connecting to Bluetooth
 4. Automatically connect back after power-on, automatically enter the pairing state
 5. Support TF card expansion to play MP3/WAV format music
 6. With car charger, output 5V-1000m, can charge handheld devices
 7. Support TF card (32GB, 16GB, high speed 6 or more)
Specification
● Bluetooth version: V2.1+EDR
● Frequency: 20h-20khz
● Sensitivity: 42dB +3db360
● Input voltage: 5V
● Output voltage: 5V / 2.1A, 5V / 1A
● Operating current: 45mA
● Standby current: 25mA
● Frequency: 2.402-2.480ghz
● FM: 87.5MHZ-108.MHZ
● Transmit power: 87dbuv/107dbuv