Auricolari TWS EW201 Blue con base ricarica BT 5.4

1. Bluetooth 5.4 chip: JLAC6983D2
2. Battery capacity: charging case 320mAh, headset 30mAh
3. Use time: 4 hours
4. Size: 49*47*25mm; Total weight: 43.7g
5. Support master-slave switching, up and down song switching, summoning Siri and other functions