2-in-1 TWS Earbuds and Emergency Power bank with Digital Display

2-in-1 TWS with digital displayed power level and emergency 1800 mAh power bank - 1. Bluetooth v5.0 2. Working Distance Range: (10m/33ft Max) 3. Frequency Range: (20Hz-20kHz) 4. Charging port: Micro-USB 5. Battery Capacity: 50 mAh each earbud, charging box with USB output power bank (Capacity: 1800 mAh, Input: 4.8-5V/1A, Output: 4.8-5V/ 500 mA) 6. Charging time: 1-2 hours for the earphone, 3-4 hours for the charging base 9. Playback time/Music time: 3 hours (max) 10. Talk Time: approx - 3 hours. Complies with CE, FCC, Prop 65, RoHS, UN38.3. 2" H x 3 7/5" W x 1 3/16" D