Specifications: Standard Blutooth V1.2 ACL, eSCO (Extended Synchronous Connection-Oriented) Asynchronous : 723.2kbps / 57.6kbps Synchronous : 433.9kbps / 433.9kbps Frequency Band ISM 2.4Ghz PAN, DUN, SPP, LAN, FTP, Synchronization, OBEX, HCRP, HID, FAX, BIP, AV, HS Receiver Signal Range Better than-76dBm@0.1%BER RF Output Power -6 ~ +4dBm (Max.) Operation current Operation Distance upto 10meters Operation Temperature -40 ~ +85 Degree C Storage Temperature -40 to +105 Degree C Modulation GFSK (Gaussian Frequency Shift Keyin) Spectrum AFH (Adaptive Frequency Hopping) Security Provided Pairing, Encryption, Authentication Features : 1. Bleutooth V1.2 complaint, CSR BC03 Chip 2. Output level, 1mW (0dBm), Class 2 3. 10 Meters working range 4. Voice dialing out function by push ANSWER button on the car kit(Subject to mobile phone support) 5. Last number re-dial function by push Power-button on the Car Kit 6. Caller ID displayed by 14 digits LCD on the Car Kit 7. Blue color LED back light 8. Build in noise suppression microphone 9. Automatic reconnection if Bluetooth link is disrupted 10. 1 Watt speaker and Speaker\'\'s volume is adjustable Advantages : a. Space Saving & simple using b. Blue color LCD display allows showing in dark c. Simple installation with only few steps for pairing d. Backward hook for stabling the mirror e. Clear sound and loud speaker allow in noisy environment f. Automatic pairing for reconnection