Bluetooth Headset with Noise Cancelling Mic:Equipped with the most advanced noise reduction and technology, trucker bluetooth headset can cancel ambient noises while providing far clearer sound. 17 hours play time & 2 device connection: The 180mAh battery can provide up to 15 hours of continuous talk time / 13 hours of music time / 200 hours of standby time, and can be quickly in just 2 hours. You can connect Bluetooth headsets with 2 different devices, one to take calls, another to listen to music. BT 5.0 Multipoint Wireless Headset: The latest Bluetooth 5.0 technology can be compatible with two devices at the same time-Android & ; compared with traditional technology, the receiving speed is faster and more stable. Compatible with all Bluetooth-enabled devices, such as mobile phones, , PCs, PADs, etc. Up to 33 feet from the paired device. Comfortable and Light Weight: The call center headset weights 1.8 oz, brings no burden to your ears, so you can focus on your talk and music. With 330 degree rotated microphone and stretchable headband, which offer the most comfortable size for your head. How to connect: 1. In off status, Long 5-8 seconds to enter into paring mode with LED blue & red alternately flash. 2. Search and click to connect BH-M97 on your phone wireless lists. Colour: black Material: plastic Package Contents: 1 x Bluetooth Headphones 1 x USB Cable Only the above package content, other products are not included. Note: Light 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.