2023 Industry New Design Ear Cuff Earphones: Wireless Bone Conduction Innovation, Air Conduction, Bluetooth Sleeping Phone, Open Ear, Open Ear, Prevents Fatigue Even for Long Times, Sound Leakage Control, High Security for Hearing Surroundings, Built-in Microphone, Bluetooth 5.3+EDR Technology, Hi-Fi Stereo, AAC/SBC Compatible, Single-ear, Left and Right Separated, Numeric LED Display, Type-C Rapid Charging, Extreme Charging Upper fit compression Zero, Automatic Pairing, Instant Connection, Single Ear, 0.1 oz (3.8 g), Ultra Lightweight, Up to 56 Hours of Playback, Compatible with iOS and Android, Music, Work, Running, Commuting to Work, Commute, Web Conferences, Zoom Calls, Physical Buttons, Japanese Voice Guide (White)