Note:Any problem/question, please kindly contact us firstly. Our Customer Support Team will get back to you within 24 hours.Technical Details:- Model: M26 Blue - Noise reduction: CVC6.0- Bluetooth version: Bluetooth V4.1+EDR- Chip: CSR8615- Bluetooth Profiles: A2DP, AVRCP, HSP, HFP- Operation Range: Up to 33 feet- Talk Time: 7 hours- Music Time: 5 hours- Standby Time: Up to 120 hours- Charge Time: 1 hourHow to Pair:1.Before using the headset, please use the USB charging cable to charge it first.2.Press the power button of the headset for 5-8 seconds or longer until you see the blue-red light blinking alternately or hear a beep, it will automatically enter pairing mode.3.Make sure your phone's bluetooth function turned on, search headset model on it.4.Select the Bluetooth model and connect. Enter the password or code 0000 if needed.Package Includes:1x Bluetooth Headset1x USB charging cable1x Ear hook2x Earbuds1x User Manual1x Standard boxWarnings:TOORUN has been successfully enrolled in the Amazon Brand Registry, which is the only legal owner and seller of the trademark TOORUN, we are not responsible for the fakes you buy from other tortious seller. Please be careful.If for any reason you are not happy with any product by TOORUN, please don?t hesitate to contact us and we will try our best to solve it upon receipt of your emails.We take full ownership and responsibility for the quality of our products. TOORUN is a registered trademark protected by US Trademark Law