Thank you for viewing! ☆ Instant purchase OK ☆ Same-day shipping ☆ Brand new, unused 13mm driver, up to 40 hours of playback wireless earbuds. IPX4 waterproof, with LED battery level indicator. 【Charging design for long-term use and visualization of remaining battery life - True Wireless Earbuds (TWS)】 Up to 6 hours of use with the earbuds alone, and up to 40 hours when used with the charging case, allowing you to enjoy music and calls on the go without interruption when paired with your mobile phone. The charging case is equipped with an LED battery level indicator with an LCD screen, allowing you to instantly check the remaining battery level of the earbuds (left and right individually) and the charging case, so you won't miss the charging timing. Furthermore, it supports Type-C fast charging, and the earbuds are fully charged in 1 hour, and the charging case in 1.5 hours, saving you time even in a hurry. 【Ultra-lightweight at approximately 3.3g and a comfortable fit - In-ear wireless earbuds】 The single in-ear (入耳耳机) type wireless ear pieces are surprisingly lightweight, weighing approximately 3.3g, achieving a lightweight style. The design is gentle on the ears even when worn for long periods, significantly reducing the burden on the ears. 【Stable connection with Bluetooth 5.4 and ENC noise cancellation calls - Call-focused wireless earbuds】 Equipped with the latest Bluetooth 5.4, this headset achieves a stable connection, high-speed data transmission, and ultra-low latency within a connection distance of approximately 10m, allowing for smooth music playback and calls. Pairing is instant just by opening the charging case, and it easily connects to various mobile phones, including iPhone and Android. 【IPX4 waterproof performance and multi-function support - Touch-type true wireless earbuds】 These true wireless earbuds (TWS) with IPX4 waterproof performance are not affected by sweat during sports or light rain. - Driver size: 13mm - Maximum playback time: 40 hours (with case) - Waterproof standard: IPX4 - Connection method: Type-C - Battery level indicator: LED display - Call function: Clear calls with 4 microphones