Thank you for purchasing AWEI T5 Bluetooth 5.0 true wireless earphones: The AWEI T5 is engineered for true wireless music, calls and Sport, and features a secure-fitting design for enhanced in-ear stability when you’re Active, up to 20 hours battery life - 2 hours in the earbuds, and an extra 18 hours from the included, pocket-friendly charging case. Note: Please read the user’s manual carefully before using, and keep it properly for future reference. How to use the Earphones: Please take out the headset at the same time, wait for the headset to successfully pair and then connect the device. If the pairing is not successful, put the headset back into the charging compartment and repeat the previous operation. Well-Balanced Sound: Featuring Bluetooth 5.0 and lossless technology that produces great sound with full bass and crystal clear treble, these earbuds deliver true high-fidelity music. Dual-channel on Voice Calls: These earbuds support both right & left channels on voice calls and other communication features. Say goodbye to those single channel wireless earbuds. Compatible to All Bluetooth-enabled Devices: AWEI T5 is compatible with the iPhoneX iPhone 8,8 Plus iPhone 7, 7 Plus, 6s, 6s Plus, 6, 6 Plus, SE, 5s, 5, 4s, iPod, iPad, iPad Mini, iPad Pro, Macbook, Macbook Air, Macbook Pro, iMac, Mac Pro, Mac Mini, Samsung Galaxy S9 S8 S7 S6, S5, S4, S6 Edge, Edge+, 7, 6, 5, 4, 3, Edge, Android, Windows, tablets, laptops, computers.