BL15 Colorful Bluetooth Speaker

Track system	Single volume model
Active passive	Active
Bluetooth solutions	JieLi
Bluetooth version	Bluetooth V5.0+EDR
Bluetooth range	≥10 meters
Max power	8W
Speaker type	57mm 4Ω8W magnetic all frequency speaker+low frequency diaphragm
Battery	4000mah  18650 3.7V 2000mah*2
Shutdown storage time	1.5 years（3.7V 60% battery left）
Music time	Over 5 hours
Charging time	4 hours

  [video width="952" height="540" mp4="//img.goodao.net/foneng/foneng_bl15_.mp4"][/video]