GOLREX

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1. Dual LED Digital Display & 36hrs Playtime: Wireless earbuds with dual power display show the remaining battery of the case by the number on the screen, and the charging status of ear buds by up and down of the LED bar, which will fade when the headphones are fully charged. Bluetooth headphones with 650mAh charging case have up to 36hrs playback with 5 additional charges, you can get the extra electricity it takes to keep your music going. (5-6hrs in buds with 50%-80% volume / 30hrs in case)
2. Wireless Charging & USB Type-C Charge: Bluetooth earbuds support wireless charging and Type-C charge. One is just putting the case on the QI-certified charging mat (not included) with the LED display facing up. Besides, wireless earbuds with ear hooks come equipped with a Type-C cable to charge the case. Two convenient charging methods improve the battery life of wireless headphones to 1 hour on 15mins charge. The number on the left screen flashes when the charging case is being charged.