Amazon price: 3,999 yen. New, unopened product. Bubble wrap packaging, free shipping. Certified with PSE for safety and security. FC CE RoHS certified. High quality. [Newly designed Bluetooth 5.3 technology, dual-ear ENC equipped] Bluetooth earphones, wireless earphones, Bluetooth 5.3, instant connection, multi-function touch operation, Bluetooth earphones, Hi-Fi sound quality, CVC8.0+ENC, Type-C fast charging, noise canceling, Bluetooth earphones, built-in call microphone, Siri compatible, white Bluetooth earphone, PSE/Technical Standards Compliance Mark certified, for business/web conferences/telework/work/school/commuting/sports, IPX7 waterproof (white) 1002 [Hi-Fi sound quality & heavy bass function] Audio decoding technology that supports high-quality music formats, composite bio-diaphragm, uniform high and low frequencies, realistic and delicate listening experience, allowing you to experience sound quality close to CD quality. More comfortable than you can imagine, excellent fit. It fits securely in your ears, combining excellent wearing comfort with a sophisticated design, making the earphones less likely to fall out and comfortable and stable even during long hours of use. [True wireless & latest Bluetooth 5.3] Equipped with the latest Bluetooth 5.3, communication speed and communication range have both improved dramatically. By improving the communication problems of conventional Bluetooth earphones and minimizing sound skipping and interruptions, you can enjoy music comfortably even in the hustle and bustle of the city. High frequencies can be reproduced. You'll hear the difference immediately. Achieves high sound quality. Please try it. [Ergonomic design] Designed based on ergonomics, it achieves a comfortable fit that fits securely in your ears even when you move actively. Completely cordless, it doesn't hinder any movement. Sweat and splash-proof. 1. Take out the two Bluetooth earphones from the charging box. They will automatically connect to each other. 2. Next, simply click "G09" in the Bluetooth list of your phone to complete the connection between the Bluetooth wireless headphones and your phone. Mono mode: You can use the left or right earphone separately to connect to two devices for calls or music. S/M/L ear tips, charging cable, and Japanese instruction manual included.