Long Playback, Auto Pairing, Type-C Charging, High-Sensitivity Touch Control, Noise Canceling, Lightweight Bluetooth Earphones, Leakage Prevention, Open-Ear Design, LED Display, Waterproof & Sweatproof, Hi-Fi Sound Quality, Latest Bluetooth 5.4】Open Ear, Single Ear/Both Ears ‐ Mercari: Shop from Japan