Joyroom JBuds True Wireless In-Ear Headphones - Black Joyroom JR-BB1 TWS earphones offer a premium listening experience with high-quality sound and deep bass. Designed for comfort and convenience, these earbuds feature Bluetooth connectivity for a stable and seamless connection. With an ergonomic design and secure fit, they provide long-lasting comfort, while the waterproof construction makes them suitable for workouts and outdoor activities. The intuitive touch controls provide easy access to music, calls and voice assistants, making these wireless earbuds the perfect everyday companion. Specifications: Brand: Joyroom Series Name: JBuds Series Color: Black Material: ABS, PC Model: JR-BB1 Type: in-ear BT version: V5.3 Chip: JieLi AD6973D BT audio decoding: AAC, SBC Supported protocols: HSP, HFP, A2DP, AVRCP Working frequency: 2402-2480MHz Headphone battery capacity: 35mAh Case battery capacity: 450mAh Speaker impedance: 32Ω Speaker: Φ10mm (HiFi composite diaphragm) Music time: about 7 hours (70% volume) Talk time: approximately 5 hours (70% volume) Total listening time: approximately 35 hours (70% volume) Earbuds standby time (connected): approximately 48 hours Headphone charging input: 5V⎓30mA Case charging input: 5V⎓300mA Charging input: USB-C Charging time for headphones: approx. 1.5h Charging time for case: approx. 1.5h Water resistance: IPX4 Earbud weight: 3.5 g Weight: 38g