The Yesido TWS21 offers a sleek, shallow in-ear design with ergonomic comfort and low-latency Bluetooth 5.3 connectivity. Powered by the AD6983D2 chip, it ensures smooth, synchronized audio and video performance, ideal for both casual listening and calls. With up to 6 hours of continuous music playback and a total standby time of 35 hours, these earphones are perfect for all-day use. The lightweight build delivers a secure fit without ear pressure, making it an excellent choice for long listening sessions. Specifications Model: TWS21 TWS Wireless Bluetooth Earphones Color: Black Bluetooth Version: 5.3 Chipset: AD6983D2 Wireless Range: 12 meters Music Time: Approx. 6 hours (at 80% volume) Call Time: 3 hours Standby Time: 35 hours Charging Time: 1.5 hours Charging Case Battery: 320mAh (701535/3.7V with protection board) Single Earbud Battery: 35mAh Binaural Battery Life: 2–3 recharges from the case Key Features Bluetooth 5.3 for enhanced connection stability and low latency Shallow in-ear ergonomic design for comfortable, secure fit Up to 6 hours of music playback on a single charge Compact charging case provides multiple recharges Lightweight build ideal for all-day wear and use