The ergonomic in-ear design helps you get the safest and most comfortable wearing experience.Bluetooth audio enabled devices including iOS, Android, Windows, Mac OS and Switch.(Switch needs to be updated to the latest system version. PlayStation / Xbox should be connected via a Bluetooth audio adapter.)Brand:SHUOOFU Color: blackMaterial: ABSWeight:80gBluetooth version: 5.2Single use time: 8HCommunication distance: >10mCharging compartment capacity: 300mAhApplicable occasions:any occasionPackage Included: 1*Charging compartment, 2*headphones, 1*manual, 1*data cableNote:Dear buyer, please allow slight measurement deviation due to manual measurement.Due to different display and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Sincerely hope you can understand!