A compact, powerful set of True Wireless Stereo earbuds in a strong, metal case. 

Features:

• case: 5 ( l ) x 2 ( w ) x 5 ( h ) cm
• zinc alloy & acrylic 
• charging cable and user manual are included
• support playback from smart phones, tablets and most other Bluetooth compatible devices
• Bluetooth V5.0 
• Bluetooth distance: 10 metres
• case battery: 300mAh
• earbud battery: 30mAh
• charging time: 1 - 1.5 hours
• playback time: 4 – 6 hours
• water resistance level IPX5
• packaged in a 2-piece, black Alex Varga presentation box