1.High-performance version of Bluetooth chip V5.4, stable output performance 2.Voice broadcast throughout the whole journey, never miss any calls 3.Automatic switch machine, save effort and worry 4.1000 Mah battery, 500 hours of battery life 5.The continuous talk time is about 10 hours<br><br>Charging time: about 2 hours Talk time: about 30 hours Standby time: up to 500 hours 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 echo cancellation function (CVC8.0 dual noise reduction technology). Bluetooth transmission distance: 10M Speaker: 4Ω2W, high-definition stereo sound Model Name:Bluetooth Mp3 Speaker Special Features:Sun visor Bluetooth hansfree Car Kit Item Type:BLUETOOTH CAR KIT Item:Bluetooth Music Receiver Bluetooth handsfree car kit:Bluetooth Mp3 Speaker Bluetooth 4.2 audio adaptor:car wireless audio adpater Sun visor clip:Bluetooth Sun visor Speaker Auto Stereo Mp3 Player:Wireless Sun visor Clip Audio Adapter Support Waking up SIRI:for IOS IPhone Phones Ipad only With 2W Hifi Stereo Speaker:with loud speaker Colour:Black Material:ABS<br><br>Package Contents: 1 x Bluetooth speakerphone 1 x Metal clip 1 x USB charging cable<br><br>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.