Bluetooth 5.0 technology ensures super-data transmission and stable performance, compatible with almost all BT-enabled devices.Lightweight and foldable, convenient for carrying around, and easy to store.It supports wired and wireless playback modes with a 3.5mm audio jack and included audio cable.The headband is adjustable to give you just the perfect fit, suitable for different head sizes.Over-the-head Design Stereo Headset, ergonomically designed with soft PU earmuffs.An intelligent noise-canceling microphone, Reduces distracting background noise for clear communication.Zealot B28 Lcd Headset Best BuyLCD Digital DisplayGood Sound Quality With BassBattery: RechargeableSpeaker: 32Ω * 2Charging voltage: DC 5VBluetooth version: V5.0Transmission distance: 10m.Bluetooth 5.0 technology ensures super-data transmission and stable performance, compatible with almost all BT-enabled devices.Lightweight and foldable, convenient for carrying around, and easy to store.It supports wired and wireless playback modes with a 3.5mm audio jack and included audio cable.The headband is adjustable to give you just the perfect fit, suitable for different head sizes.Over-the-head Design Stereo Headset, ergonomically designed with soft PU earmuffs.An intelligent noise-canceling microphone, Reduces distracting background noise for clear communication.Zealot B28 Lcd Headset Best Buy