Quality M20 Ear Buds With Phone Charger

• Model: M20
• Bluetooth specification: V5.3
• Bluetooth Profile: A2DP, AVRCP, HFP, HSP
• Working voltage: 3.1V~4.2V
• Charging voltage: 5V-1A
• Battery capacity of the headset: 50MAH
• Battery capacity of the storage box: 3000MAH
• Transmission distance:>10M
• Call time: About 4-5 hours
• Playtime: About 4-5 hours
• Waterproof: IPX5
• Charging time of headset: 1h
• Charging time of the Charging box: 2h
• Support system: All Bluetooth devices and mobile phone
• Power Bank 
• Bass booster sound quality

0757419741 / 0112058783