4. Fast Wired Charging and Wireless Charging - Featuring Brc Baseus Rapid Charge, a 10-min charge provides 2 hours of music whether with a cable simply putting earbuds in the case, or just placing it on a wireless charging pad for a hassle-free chargingName: Baseus True Wireless Earphones Bowie MA20Model No.:MA20Colour: Cluster BlackMaterial: Abs+PCWeight:56.5gVersion: V5.3Communication distance:10mSuitable for: Compatible with most of wireless devicesMusic playing time: About 8 hours (volume at 70%)Battery capacity:50mAh/0.193Wh(earphones)400 mAh/1.52Wh (charging bin)Playtime with charging bin:About 3538 hoursFully charging time: About 1.5 hoursFrequency response: 20Hz-20kHzrangCharge interface: Type-c