Bone Conduction Technology These are wireless earphones with Bluetooth 5.4. Bone conduction earphones allow you to listen to music and make hands-free calls (with noise-canceling function) without blocking your ear canals, and they allow you to clearly hear ambient sounds, making them safer than conventional earphones. Upgraded from previous bone conduction earphones, they achieve approximately 50% reduction in sound leakage. From sports like commuting, going to school, running, and jogging to outdoor activities, you can enjoy music safely in any situation, protecting your ears anytime, anywhere! These wireless earphones free you from the hassle of cables, giving you the feeling that music has become a part of you. ■ Equipped with Bluetooth 5.4 The latest Bluetooth 5.4 communication significantly improves communication speed, communication distance, and power consumption, achieving stable Bluetooth connection even in congested indoor and outdoor radio wave environments! ■ Easy to Use Designed for easy one-handed operation. 【Music】 Play/Pause/Skip Forward/Skip Backward/Volume Up/Volume Down 【Phone】 Answer/Hang Up/End/Voice Assistant ■ Holding Power With a soft yet secure hold, they won't fall off even when you move your head or strain during sports like running or weight training. Achieves a secure fit even during intense physical training! ■ Large Capacity Battery The charging case has a 2200mAh capacity and can charge the earphones about 25 times. The earphones can be used continuously for 5 hours on a full charge. Combined with the charging case, you can enjoy up to approximately 120 hours of use. (Battery Level) The remaining battery level is displayed when you open the case. (Smartphone Charging) Can also charge your mobile phone! ■ Automatic Pairing Function After the initial pairing, they will automatically connect just by opening the charging case. 【Product Contents】 Wireless Earphone Body Charging Case Charging Cable (USB ⇔ C terminal) Color (Gray x Black) 【Shipping】 Yu-Packet Post Estimated arrival: Delivery to your mailbox in about 2-5 days after shipment 【Recommended for those who】 Earphones, commuting to school, Bluetooth, ear hooks, with microphone, iPhone, Android, bose, anker, sony compatible, recommended, cheap, waterproof, etc. 【Important Notes】 * To offer them at a low price, they will be sent without a box and in simple packaging. * Japanese language support is not available.