Bluetooth : Version 5.3
ENC NOISE REDUCTION
VIVID AND WONDERFUL SOUND
HIFI QUALITY SOUND
LOW POWER CONSUMPTION
360 HI-FI SURROUND SOUND QUALITY
Battery Extra long Range🔋
One-Button Touch 
Extremely LIGHT
HD Voice Call
Confortable Wearing
Warehouse battery : 300mah
Standby Time : approximately 120hours
Frequency response : 20Hz-20KHz
Music playing Time : 5h
Playback Time : 6hours 
Color : Black