Compatible with Bluetooth V2.1+EDR specification standards. Use advanced CSR Bluetooth chip. Output power: Class 2 power output, up to 10 meters Built-in DSP (digital signal processing) noise suppression and echo cancellation function. Battery Type: Lithium-Ion battery, 3.7V / 400mAh, Talking time: 8 hours, Standby time: up to 300hours, Charging time: 1 to 2 hours. Support HSP，HFP, A2DP, AVRCP Bluetooth Profiles

• AUTOMATICALLY POWER OFF, If There Is No Mobile Phone Connected In 30minutes,The Device Will Turn Off Automatically and Make Alert Tone,Save Power and Energy. [Activate Siri on iPhone or Android phone commands(Phone dependent)],Make a Call by Siri or other Voice Command.
• BLUETOOTH 4.0 CSR HANDSFREE car kit pair to 2 phones simultaneously with high sensitivity microphone, adopts HD-Voice and Noise cancellation DSP technology providing Pure Clear and Full duplex sound.
• ENJOY MUSIC WHILE DRIVING, Main Function:Answer Calls,End Calls,Reject Calls,Announce calling number,Last number redial,Adjust volume,Personal connectivity/speaker switch,Transmit mobile Stream music, Podcasts, and GPS,Support HFP,HSP,A2DP, AVRCP.
• LONG BATTERY LIFE, Rechargeable Lithium-Ion battery with charging option support talk time up to 8 hours, Standby Time Up to 700 Hours.

AUTOMATICALLY POWER OFF, If There Is No Mobile Phone Connected In 30minutes,The Device Will Turn Off Automatically and Make Alert Tone,Save Power and Energy. [Activate Siri on iPhone or Android phone commands(Phone dependent)],Make a Call by Siri or other Voice Command.FJS Electronics