Specification Faster AIRVIBE R18 open Air TWS Bluetooth chipset JL 7003D8 Bluetooth version 5.3 Earphone standby time 120 hours Bluetooth operation range 10m Playing Time 3 to 4 hours About 8h based on 50% volume Earphone charge time 1 hour Dual mics ENC ( 4 MICS in total) Lithium-ion Polymer battery 3.7V, 60mAh Capacity of case 400mAh
