Thank you for viewing! ★ Instant purchase welcome, no need to ask! ★ Ships same day if purchased by 7 AM ★ Welcome to bulk purchases, feel free to comment. ★ Feel free to ask any questions. ★ Please comment about discounts. ★ We prioritize those who purchase, even during comment exchanges. Thank you for your understanding. ★ We may switch between Rakuraku Mercari and Yu-Yu Mercari shipping methods without notice. #RikaEarphoneShop *Product Description* ✅ Bluetooth 5.2 & 8 hours continuous use Adopting Bluetooth 5.2 third-generation technology, communication speed, distance, and stability have dramatically improved. Even when moving at high speeds or in long-distance spaces, situations like sound skipping and interruptions are improved compared to previous products. This single Bluetooth earphone achieves power saving, high speed, and stable connection compared to previous products. With a large-capacity battery, the Bluetooth earphones can be used continuously for 8 hours on a single full charge, allowing you to use them without worrying about battery life. ✅ Bone conduction earphones & doesn't block the ears Bone conduction earphones transmit sound to the auditory nerves by vibrating the bones instead of the eardrums. You can enjoy music without blocking your ears, making them attractive for long-term use without fatigue, and suitable for use while running, working out, doing housework, teleworking, etc. ✅ One-handed operation & hear surrounding sounds With the increase in telework and time spent at home these days, there are many situations where you are wearing earphones for long periods. Because they don't block your ears, there is no feeling of pressure or stuffiness, making them very comfortable. Your ears can hurt if you wear earphones for a long time. Also, when jogging, you can hear the sounds of approaching motorcycles and vehicles to avoid danger, making them useful in various situations. ✅ With IPX7 waterproof performance, you don't have to worry about sudden rain during your commute or sweating during sports. There is basically no concern about breakdowns even if water droplets get on them. Safe even in sudden rain during outdoor use like jogging. Using lightweight memory titanium alloy material, the shape can be freely twisted according to the size of your head and will not break even if bent repeatedly. ✅ Multi-function operation can be performed with one hand. Play/pause, Siri activation, previous/next song, answering/rejecting/ending incoming calls can be easily controlled. Also, it is easy to switch between calls and music, so you won't miss incoming calls even while listening to music. $$3980