• 13mm high-performance driver unit, creating a more open sound field atmosphere, offer the pure good sound
• Using BT5.1 chip, significantly improve audio and video synchrony, sound stuttering, interference interruption and other problems
• Ergonomically 3.5g semi-in-ear shaped, fit with comfort in your ears even after hours of listening pleasure
• 4h play time, 20h standby time with charging case, premium capacity and chips or all-day listening needs
• After first connection, these wireless earphones will auto-connect with your mobile phone, tablet, laptop once you open the charging case

Specification: 

• Brand: Mcdodo
• Model: HP-278
• Material: PC+ABS
• BT Version: V5.1
• Weight: 38g 
• Transmission Distance: 10m
• Battery Capacity: 30mAh*2 (Earbuds), 320mAh(Charging Case)
• Charging Time: 1.5H
• Input Port: Type-C 
• Patent: No Patent