Patch Knob Active Noise Reduction Headset Bluetooth True Wireless Long Battery Life Suitable for Mobile Phones

Product information: Color: as shown in the picture Bluetooth protocol: 5.4 Chip type: Zhongke Lanxun Product features: Active noise reduction -25db + knob button + cloth earmuffs + cloth head bow + spray paint appearance Usage: Head-mounted Chip Type Model: Zhongke Lanxun 5712C Transmission range: 10 meters Channel: Stereo Battery capacity: 400mAh low power consumption Whether single ears: bilateral stereo Applicable gift occasions: weddings, birthdays, festivals, trade fairs, employee benefits, awards commemorations Battery life: 10 Functions: Call function, music support, others, Package: 1 * Headset Bluetooth Headset