Specifications:
Bluetooth version: Bluetooth V5.1
Driver: 0.5 inch (13 mm) dynamic type.
Charging Case Battery Capacity: 300mAh
Earphone Battery Capacity: 30 mAh (one ear)
Charging time to the charging case: about 1.5 hours.
Charging time for earphones: about 1.5 hours.
Earphone playback time: about 6 hours on a single charge.
Earphone Weight: Approx. 0.1 oz (3.7 g) (one ear).
Case Weight: Approx. 34.9G (Earphones not included)
Case Dimensions (W x H x D): Approx. 2.0 x 2.3 x 0.9 inches (50 x 59 x 24 mm).