High-performance version of Bluetooth chip V5.0+, stable output performance; Omnidirectional microphone design, the call is as clear as face-to-face; Sun visor hands-free + Bluetooth headset combo; Bluetooth headsets can answer privately in seconds to protect personal privacy; The Bluetooth headset can be used separately from the host; Intelligent vibration induction power on, automatic connection back; Siri/Google voice control 1200 mAh battery, 1000 hours of long-lasting battery life Approximately 20 hours of continuous talk time Built-in digital power amplifier, greatly increase the volume and sound effect Advanced multi-point connection, support two mobile phones online at the same time Built-in DSP noise suppression and cancellation function Bluetooth transmission distance: 10M Speaker: 4 3W, high-quality multimedia speakers Applicable models: For most models on the market Material:ABS colour:Black Package Contents: 1 x Visor Bluetooth hands-free 1 x USB cable, 1 x Metal back clip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.