The LED accurately displays power in real-time. 1.The digits in the display screen flash slowly when charging the charging box or earbuds. 2. Individual power display of earbuds, You can see the percent of a battery of every earbud. The Earbuds offer about 5 hours of continuous music for a single full charge, with 15 times full charge by the 2000mAh portable charging case. So you can enjoy all-day use, for years to come. It can also be a backup power source for mobile phones and other devices.
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