V4.0 Wireless Hands Free Headset with bluetooth Function Dual Usb Car Charger

Product condition: NewV4.0 Wireless Handsfree Headset with bluetooth Function Dual USB Car ChargerFeatures:1. FM transmit frequency: 88.1 ~ 107.9MHZ2. Use CSR4.0 main chip low-power bluetooth3. bluetooth hands-free calling, power automatically connected, DSP echo cancellation noise elimination process4. Can split the bluetooth headset privacy, protect your call privacy5. After the power is turned on, the bluetooth automatic start, automatic connection6. Phone with a bluetooth headset is automatically disconnected after shutdown7. Supports HFP / HSP, A2DP / AVRCP,bluetooth protocol, etc.8. Voice prompts9. Support YES OR NO Voice answer hang up the phone10. AUX IN input to the FM transmitter output11. Dual USB Output: DC5V / 2.1A12. Car starts after ignition, can display the current electric cars Voltage bottles, charging automatically displays the current charge Electric current.Specification: FM Frequency Range 88.1 ~ 107.9MHz Transmission Distance 5 m Audio formats MP3 / WMA / WAV / SBC SNR 68dB Distortion  <0.1% Frequency response 20Hz-15Khz Left and right channel separation              > 60dB bluetooth version bluetooth v4.0 bluetooth protocol HFP / HSP, A2DP / AVRCP Operating Voltage DC 9 ~ 26V USB Output DC 5 / 2.1A Power consumption <1W (without the external charging)                 Working temperature -10 ~ 70 Degree Humidity 0 ~ 95% Dimensions 21.5 (L) * 5.5 (W) * 2.1 (H) CM Weight 80g Package Included:1 X V4.0 Wireless Handsfree HeadsetPicture details: ,,