I6 Bluetooth Headphones Dual-ear Low-frequency Bass Wireless For Sports Activities

Specification:
Product model: i6
Call duration: approximately 20 hours
Playback duration: approximately 20 hours
Standby duration: approximately 300 hours
Battery type: High-performance polymer battery
Speaker units: 10 + 6 + 6 (MM)
Frequency response range: 20Hz - 20KHz
Sensitivity: 98 ± 2db

Packaging list: 

1 pair of headphones