Price on Rakuten: ¥5,016. Brand new, unused. Latest version Bluetooth 5.4 Bluetooth Earphones Wireless Noise Canceling LED Display 45H Long Playback HiFi Heavy Bass ENC Calling Automatic Pairing Type-C Charging IPX7 Waterproof Lightweight Single/Both Ears Compatible with iPhone/Android Running 1001 2025 Latest Version Bluetooth 5.4 & Instant Connection: Equipped with the latest Bluetooth version, offering stable connection, high-speed communication, noise reduction, and energy saving, eliminating connection interruptions/sound skipping, and providing a rich listening experience with low-latency HiFi high-quality sound. 【ENC/PNC - Stress-Free Fit】: Equipped with ENC noise-canceling technology, the microphone provides clear calls by suppressing ambient noise. The ergonomic design of the ear tips, with high sound insulation and sealing, also provides a PNC physical noise-canceling effect. 【Immersive High-Fidelity HIFI Sound Quality】: Adopts a carefully selected 13mm driver unit. High-frequency reproduction capabilities are also well secured. Combined with a HiFi system that can faithfully reproduce recorded sounds, it reproduces the powerful rhythm of basslines and drums, conveys the nuances of vocals and musical instruments truthfully, and vividly reproduces the details of music and high-pitched instruments. 【Ultra-Long Playback 45H & Battery Level Display】: Adopts a Bluetooth 5.4 chip. Therefore, a single full charge allows for approximately 5.5 hours of continuous music playback, and since the left and right earphones can be used independently, a maximum of 45 hours of continuous use is possible when combined with the charging case. Charging is completed quickly. Furthermore, it has a battery level display. 【IPX7 Sweatproof & Waterproof & Touch Sensor Support】: IPX7 waterproof and splash-proof specifications with excellent impact resistance and heat resistance. It also supports hands-free calling and voice assistant activation. 【Package Contents】: Earphones, Ear tips (S/M/L), Japanese instruction manual