DescriptionProduct Name: TWS True Wireless Bluetooth EarphonesModel: Baseus Encok W2iColors: white, black, purple, pinkMaterial: ABS+PCWeight: approximately 38.7gBluetooth version: V5.3Communication distance: approximately 10 metersListening time: approximately 6 hours (70% volume)30 to 35 hours of listening time with charging boxCharging interface: Type-CCharging time: approximately 1.5 hoursBattery capacity:35mAh/0.135Wh (earphones)450mAh/1.665Wh (charging compartment)Accessories: Simple universal data cable Type-C whiteFrequency response range: 20Hz-2OkHz