★ Rotary button control, fast rotation two under Wake siri/voice assistant.
★ Bluetooth + plug-in dual mode, 3.5MM standard audio line, HiFi sound quality, shocking heavy bass.
★ Smart compatibility, as long as has Bluetooth is compatible, be adjusted to different sizes, suitable for different head type.
★ Product size: 19*17*7cm.
★ The use of protein materials, thick and soft, comfortable wear, Long wear No pain.