Price on Rakuten: 5,016 yen. Brand new, unused. Latest version Bluetooth 5.4 Bluetooth Earphones Wireless Noise Cancelling LED Display 45H Long Playback HiFi Heavy Bass ENC Call Automatic Pairing Type-C Charging IPX7 Waterproof Lightweight Single/Both Ears Compatible with iPhone/Android Running 1002 2025 Latest Bluetooth 5.4 & Instant Connection: Equipped with the latest Bluetooth version, providing stable connection, high-speed communication, noise reduction, and energy saving. This eliminates connection interruptions and sound skipping, delivering low-latency HiFi high-quality sound for a rich listening experience. 【ENC/PNC - Stress-Free Fit】: Equipped with ENC noise-canceling technology, the microphone suppresses ambient noise for clear calls. The ergonomic design of the ear tips provides excellent sound isolation and a PNC physical noise-canceling effect. 【Immersive High-Fidelity HIFI Sound】: Features a carefully selected 13mm driver unit. High-frequency reproduction is also well-maintained. Combined with a HiFi system that faithfully reproduces recorded sound, it recreates the powerful rhythm of basslines and drums, accurately conveying vocals and instrument tones, and clearly reproducing the fine details and high frequencies of musical instruments. 【Ultra-Long Playback 45H & Battery Level Display】: Adopts a Bluetooth 5.4 chip. This allows for approximately 5.5 hours of continuous music playback on a single full charge, and the left and right earphones can be used independently. Combined with the charging case, up to 45 hours of continuous use is possible. Quick charging is also supported. 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. Supports hands-free calls and voice assistant activation. 【Package Contents】: Earphones, Ear tips (S/M/L), Japanese instruction manual