Features: WIDE APPLICATIONS - Fit for iOS and for Android, PC, laptop, tablet and other smart devices with function or with adapter. WITH CHARGING CASE - Can play music for 1012 hours, and it can be used to the headset about 5 times with a 500 mA portable charging compartment. TWO CHARGING WAYS - Two charging methods, you can directly use the charging cable to the headset or put it in the charging compartment. FAST CONNECTION - 5.1 provides fast and stable low latency connections, making calls clearer. 180 ROTATING DESIGN - Very light earhook design, 180 rotating ear-hook can freely switch between left and right ears. Package included: Bluetooth headphone *1; 500mAh Charging Case *1; Ear tips *3(Size: S/M/L ); USB-C cable *1(NO AC ADAPT)