Product Description of M25 Digital Wireless EarbudsSpecs and Features:Wireless Bluetooth Connection.Magnetic hatch cover toggle to open.180 hours of battery life.Standby Time approx 220 hoursTransmission Distance approx 65ftCharging: Type-CHigh precision audio Earbuds can independently connect to two different signals.Lightweight fingerprint touch design.Large capacity lithium charging cabin not only charges the earbuds but is also a portable power bank for charging your mobile phone.