Originally priced at 5700 yen, this product is now offered at a special price for inventory clearance. Please consider it. The ergonomically designed AirCuff F306 is a wireless earphone with IPX5 water resistance, ensuring peace of mind even during intense movements. - Model Name: AirCuff F306 - Design: Ergonomic design - Waterproof Performance: IPX5 - Battery Life: 12 hours (earphone only) - Battery Life with Charging Case: 36 hours (with charging case) - Size: 5.2cm x 5.7cm (charging case) - DSP Technology: Equipped with DSP7.0 - Fit: Zero sense of wearing - Movement: Doesn't fall out even during intense activity 【DSP Amplifier Function & AAC/SBC Codec Support】The DSP amplifier optimizes sound balance, improving the balance of low, mid, and high frequencies in the earphone output, and effectively identifies and removes noise within the earphones through digital signal processing. 【AI+ENC Noise Canceling & Prevents Sound Leakage】Equipped with the latest AI+ENC noise-canceling technology, you can enjoy clear sound quality in any environment. Even on a noisy train during your commute or in the bustling noise of a cafe, the AI automatically detects surrounding noise and smartly cuts out unwanted sounds. 【Zero Sense of Wearing & Doesn't Fall Out During Intense Activity】The secret of the "AirCuff F306" lies in its bio-engineered ear cuff curve. ① "Floating structure" that doesn't touch the soft part of the earlobe ② Super-elastic arm made of shape-memory steel wire ③ Lightweight body of only 5.4g. 【IPX5 Waterproof Specification & Active in Sports Scenes】The "AirCuff F306" ear cuff earphones with IPX5 waterproof function are resistant to daily rain and sweat. They protect the internal circuits from water intrusion in any environment – intense sweat at the gym, running in the rain, or the sea breeze at the beach. Thank you for viewing.