Description:   Features:   1.A short distance wireless communication device letting you listen to music and easily receive calls while driving, traveling, or in working at the office.   2.The earphone can receive calls by pressing the key and communicate via a secure HD channel.   3.Control volume or switch tracks with a press of a button      4.High Fidelity Sound: Intelligent noise reduction,Ensures maximum signal quality, and guarantees excellent sound quality.      5.Compatible with 99% of Bluetooth-enabled devices (such as mobile phones, tablets).2200 mAh battery in the charging compartment, Charging compartment for mobile phone charging，working time up to 36 hours, fast charging for 1-2 hours, 10 meters range, long time use, the machine is not hot.The working time of a single ear headset is about 3 hours,   6. Quick pairing, Bluetooth-compatible 5.0, automatic seconds, IPX3waterproof, earphones can be used.   Specifications:   Technical parameter   Bluetooth-compatible version: version 5.0   Operating range: within 10 meters   Rechargeable battery: 2200 mAh   Talk time: 36 hours   Single ear use time: 3 hours   Charging time: less than 2 hours   Waterproof rating: IPX 3   Product Features:   Intelligent noise reduction, caller ID, music pause/play, end number redial   Chinese and English voice switching   Applicable products: Android, I0S 5.0 and above, WP system waiting for Bluetooth-enabled mobile phones, laptops, desktops and other Bluetooth-enabled devices.   Package Included:   1*earphone  1*charging cable 1*instruction   Notes:   Due to the difference between different monitors, the pictures may not reflect the actual color of the item.            Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.            Please leaving a message before you give the bad feedback, if the products have some problems.            Thanks for your understandings.