(New) Bluetooth Headset, Wireless Bluetooth Earpiece V4.1 Ultralight Business Headsets with Mic for Business/Office/Driving and Smartphones

1 year guarantee period and 30 days no reason to return.Any problem/question, please kindly contact us firstly. Our Customer Support Team will get back to you within 24 hours,our excellence service will bring you a smile. Feature: Built-in intelligent voice prompts. Built-in high definition microphone, advanced 4X noise canceling technology. Ergonomics, lightweight design. 360 degrees adjustable to both left and right ears. Provides comfortable feel on your last call of the day as it did on the first. Separate power mute and volume buttons allow easy access and control. Pair easily with any two Bluetooth devices at one time. Compatible with all Bluetooth-enabled devices and high-fidelity stereo music player. Up to 6.5 hours of non-stop talk, 6 hours music time and up to 6 days in standby mode. Specification: Bluetooth Version 4.1 Support HFP, HSP, A2DP and AVRCP profiles Operating Range: up to 33 feet( 10 meters) 85mAh rechargeable battery Talk time: 6.5 hours Music play time: 6 hours Standby time: 180 hours Charging time: about 1.5 hours Auto-reconnect Compatible with: ISO, Android, Windows Devices and so on. Note 1,Please do not expose the headset under direct sunlight while charging, especially when environment temperature is high. 2.Please use the standard 5V/1A charging plug to charge the headphones.Please notice that the charging voltage must be not exceed 5.5V and the charging current must not exceed 3A. 3.Please don't charge the headphone in your car or use fast charger, otherwise the headphone may broken because of the unstable voltage or excessive current .