EW74 True wireless stereo headset

1. Bluetooth version: 5.4, chip: JL AC6983 2. Battery capacity: charging case 350mAh, headset 30mAh 3. Use time: 4 hours 4. Size: 53.8*44.3*21.5mm; Total weight: 43g 5. Support master-slave switching, up and down song switching, summoning Siri, pressure-sensitive operation and other functions 6. It does not support the reset function of pressing and holding the button