3.78 x 3.43 x 1.85 inches

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【Multiple Smart LED Digital Display】With the smart LED digital power display of this wireless earbuds, you could check the remaining battery level and charging process of both earbuds and charging case at a glace even without opening the case lid. The percentage in the middle indicates the battery level of charging case, and the battery icons on both sides indicate the remaining battery of the left and right earbud respectively.Therefor you’d never worry about a sudden low battery alert.
【Wireless Charging & 48hrs Play Time】These bluetooth headphones charging case supports both wireless charging and USB C charging.You could choose either of these two charging methods at any time for your convenience. The impressive 9 hours of listening time on a single charge for the sports wireless headphones are extended to a remarkable 48hrs of play time with the included charging case. In case of emergency, 10-minutes fast charging will give 1 hours of play time when battery is low.