Bluetooth Trucker Headset ,Pashion Over-the-Head Noise Canceling Bluetooth Headphones For Truck Driver With Mic Handsfree Calling for iPhone 6/6Plus/5s/4,Android LG/Blackberry/Samsung/Smartphones ✔ Ultra fashion, compact and light-weight design for comfortable fit✔ Over-the-head design with booming MIC .✔ Over-the-head design with booming MIC; Work with most of Bluetooth enabled phones . If there is any issue with bluetooth, customers need to ensure the headset has enough power,is turned on and has been successfully paired to the device.✔ Talking/Standby time: up to 8 hours/Up to 200 hours✔ Superior Noise Cancellation technology (crystal clear conversation) .If the voice gets muffled, Please check that whether the range between the headset and the mobile is over 10 meters,or there is wall or other disturbance or other electrical devices between headset and mobile.Please note: It has Mic mute feature,when you press and hold Decrease Volume Key (-) for 2-3 seconds will hear DuDu tone prompt to turn on/off Mic during the calling. How to connect bluetooth with your smartphone:1: Make sure headset is in OFF state. 2: When press and hold the multi-function button for about 8 seconds,until the indicator light alternates between blue and red,indicating that it is in pairing mode. 3: Active the Bluetooth to search Bluetooth headset state. Normally,this is done by going to "set up","connect"or "Bluetooth" menu to search Bluetooth devices. 4: The phone will find BTH-068 and ask if buyer want to connect their cellphone with this headset. Press "yes" or "Confirm". 5: Enter password or PIN "0000",and press "Yes" or "Confirm". Pashion's Aims : 1.High quality while low price. 2.Pashion is committed to 100% satisfaction of our customers. 3.We will offer the best solution for any issue of product you bought from Pashion. So any problem,pls free contact with us! Pls Notice: -It's very comfortable to make and receive any calls, not for music. -Don't use it for listening music Features: Superior Noise Cancellation technology (crystal clear conversation) Over-the-head design with booming MIC Ultra fashion, compact and light-weight design for comfortable fit Specification: Talking/Standby time: up to 8 hours/Up to 200 hours Standard Convention/Signal input: Bluetooth V2.1, Class 2 Frequency Band: 2.4 GHz-2.4835GHz, ISM Band Working range: up to 10 m Power Capacity: Rechargeable Li-Polymer Compatible With: Computers, phones and other Bluetooth enabled devices, etc. Package included: 1 x Bluetooth Headset 1 x USB Cable1 x User Manual