The Unisonic Sound Storm True Wireless Earbuds (US-TWSNHD-BL / WH) are designed to provide a premium wireless audio experience with a perfect balance of performance, comfort, and convenience. Featuring Bluetooth v5.4, these earbuds ensure faster pairing, stable connections, and low-latency audio with a transmission range of up to 10 meters. Equipped with HD sound output and a wide audio frequency range of 20Hz–20kHz, the Sound Storm earbuds deliver rich bass, clear mids, and crisp highs for music, calls, and media. The intuitive touch control allows effortless management of playback, calls, and voice functions with a single tap. Designed for all-day use, the earbuds offer up to 4.5 hours of continuous playtime, with the charging case extending total usage to up to 16 hours (11.5 + 4.5 hours). The lightweight and ergonomic design ensures comfortable wearing, even during extended listening sessions. Supporting multiple Bluetooth profiles including HFP, HID, A2DP, AVRCP, and AVCTP, these earbuds are widely compatible with smartphones, tablets, laptops, and other Bluetooth-enabled devices. The USB Type-C charging port ensures faster and more convenient charging. Backed by a 1-year replaceable warranty, the Unisonic Sound Storm TWS Earbuds are a reliable choice for users seeking clear sound, modern features, and dependable quality.