Wireless Earphones, Bluetooth 5.3, Double Microphone ENC, CVC 8.0 Call Noise Cancellation, Automatic Pairing, EDR, Space Audio Quality, HiFi Sound Quality, AAC Codec, Bluetooth, Hands-Free Calling, Wireless, One Ear, Bluetooth Earphone, Type C, OVP Overcharge Protection, Long Time, Touch Sensor, Left and Right Separation, Fit, Commuting to Work or School, Walking, WEB, Telework, ZOOM, Phone