Features: BT5.1 technology brings a more stable and faster wireless connection to your device, allowing you to enjoy stable calls and great music. With soft, flexible, and secure fit earhook design, dual-axis 360-degree +360-degree rotation, the left and right ear angles can be adjusted arbitrarily, ensuring unparalleled comfort and stability when moving. Built-in high-definition microphone, ENC intelligent noise reduction, reduce interference during the call, deep noise reduction, make the call as clear as an interview. The earphone weighs only 13g, which is very light and stress-free to wear. Unbreakable Hi-Fi Sound: The wireless earphones offer powerful, balanced stereo and dynamic range for an incredible listening experience. LED display power display, power can be checked anytime, anywhere. Comes with a portable storage and charging compartment, which is convenient for charging, storage and carrying, and has good protection. Intelligent one to two, Bluetooth headset supports simultaneous Bluetooth connection to two devices. The bluetooth headset is suitable for office, driving, and outdoor sports travel. It has a cool appearance and is a business headset. You deserve it!Specification:ModelBluetooth headset YYK-530Bluetooth version: V5.1+EDRTransmission distance: 10 metersPlay/talk time: about 10-12 hoursCharging time: about 1.5 hoursStandby time: 180 hoursPackage Included: Headphone*1, charging compartment*1 (optional), charging cable*1, ear cap*2, manual*1Reminder: The headset has two purchase options with charging and without charging box, please pay attention when purchasing.