Experience crystal clear sound quality with JOYROOM Funpods Series JR-FB3 True Wireless Earphones. These earphones are designed to provide you with an immersive listening experience without any tangled wires. About this item: Dual-EQ mode (bass boost and classic mode). Bluetooth 5.3 (instant connection with higher anti-interference capability, lower consumption, auto reconnection once opening the case). 35h total listening time (7h listening time on one charge, 35h total listening time with the charging case, 10-minute charging offers 1h listening time). Low-latency technology (sound and picture in sync, 65ms low latency). DNS enhanced calling (DNS calling noise reduction, clear calling experience). Enhanced portability (perfect for travel; can be attached to backpacks, handbags, pants, and keychains). Long-lasting comfort (comfortable and secure fit without falling off). IP54 water-resistant (IP54 waterproof rating; withstands rain and sweat). Universal compatibility (widely compatible with various Android, iOS, and Windows devices).