JOYROOM JR-OE1 Waterproof True Wireless Noise Reduction Bluetooth Earphone (Black)

1. Open Ear Design: Redesigned streamlined structure that adapts to ear contour. 2. Stable To Wear Without Falling Off: Made of high elastic liquid silicone material. 3. Long Endurance: Adopting ultra-low power chips and high-quality batteries. 4. DT3.0 Directional Transmission: Adaptive directional sound transmission technology, no leakage. 5. 16.2MM Large Dynamic Coil: Built in driver unit and digital sound enhancement algorithm. 6. IPX5 Waterproof And Sweatproof: Fearless of harsh weather or intense exercise, sweating and rain. 7. Bluetooth 5.3 Link Stability: High performance and low-power Bluetooth chip, more stable. 8. Specifications: – Bluetooth version: V5.3 – Bluetooth distance: 10M – Music duration: about 18 hours (70% volume) – Call duration: about 12 hours (70% volume) – Headphone battery capacity: 100mAh – Charging box battery capacity: 600mAh – Headphone charging time: about 1.5 hours – Charging time of the charging box: