1. Bluetooth version: 5.4 Bluetooth chip: 7003D82. Battery capacity: charging case 350mAh, headset 60mAh3. Music time: 10 hours talk time: 6 hours4. Noise reduction depth: -40±3dB5. Material: ABS+PC size:30.91*20.69*24.07 mm Total weight: 37.7g6. Waterproof rating: IPX41. 4 mics-40dB deep active noise reduction technology, enjoy a moment of tranquility2. ANC+ENC noise reduction, clearer calls, no fear of interference3. Ultra-thin and ultra-small design, easy to carry
