• The earphones are waterproof and dustproof, suitable for sports
• Mini size and lightweight, comfortable to wear
• The metal charging case has a high-end texture, comfortable to hold
• Stereo Hifi sound quality, excellent music experience
• Smart noise cancelling, binaural HD call
• Smart cold light indicator to show remaining power of the charging case and earphones
• Fingerprint touch automatic charging case, more convenient to use
• The large battery capacity charging case also is a power bank, can be used for mobile phone charging 

Specification:

• Bluetooth version: V5.0
• Bluetooth distance: 10m
• Earphone size: 33*17.5*23.5mm
• Charging bin size: 95*74*28mm
• Total battery life: 320H
• Talk time: 5.2H
• Music playback time: 4.0H
• Earphone battery capacity: 60mAh lithium-polymer battery
• Charging time: about 1 hour
• Charging compartment battery capacity: 3000mAh lithium battery
• Charging interface: USB Type-C 5V/1A
• Impedance: 16Ω
• Working temperature: -20°C-60°C
• Earphone weight: 4.6g
• Working voltage: 3.7V
• Support system: IOS/Android/Windows