Features:High-performance version Bluetooth chip V5.0+, stable output performance;Omni-directional microphone design, making calls as clear as -to-; visor hands-free + Bluetooth headset two-in-one;The Bluetooth headset can be used to answer privately in seconds to personal privacy;The Bluetooth headset can be used independently from the ;Intelligent vibration induction , automatic reconnection; Siri/Google voice control1200mAh battery, 1000 hours of long-lasting battery lifeThe continuous talk time is about 20 hoursBuilt-in digital power amplifier, greatly enhance the volume and sound effectAdvanced multi-point connection, support two mobile phones online at the same timeBuilt-in DSP noise suppression and cancellation functionBluetooth transmission distance: 10MSpeaker: 4 3W, high-quality multimedia speakerColor: blackMaterial: plasticPackage Contents:1 x Bluetooth Transmitter ReceiverOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.