• Bluetooth-compatible connection, high-fidelity sound quality and stable performance
• With ergonomic design, mini and lightweight, comfortable to wear
• LED Digital display for showing the remaining power and working status of the earphones
• The charging case can charge 2 earphones about 8 times, providing more time for listening to music, and it also can be used as a power bank to charge your phone 
• With waterproof technology, you no longer have to worry about water and sweat entering to damage the earphones
• Built-in 10mm dual driver unit, enjoy 9D strong and deep bass music sound
• One-button control, support touch to switch songs, calls and voice assistants
• Great for running, hiking, cycling, car driving, business occasion, etc, enjoy superb sound quality instantly

Specification:

• Bluetooth-compatible version: 5.1
• Frequency range: 20HZ-20KHZ
• Bluetooth-compatible chip: BLUETRUM 5616T3
• Charging case battery capacity: 350mAh
• Earphone battery capacity: 40mAh
• Playing time: 3h-4h
• Talk time: 2h-3h
• Standby time: 60h
• Charging time: 1h-2h
• Headphone output power: 8dBm (max)
• Wireless distance: 10m
• Speaker: Φ8.0±0.05mm
• Speaker sensitivity: 95dB±3dB