Features:
Unique Skull Design
Powerful High-Definition Sound
Wireless Music & Calls
Built-In Microphone
Easy-to-Use Controls
Up to 8 HRS of Playtime
LED Battery Life Indicator
USB, Aux, Micro SD, & FM Compatible
Power Bank Charger USB Input
Ultra-Compact, Lightweight & Portable

Specifications:
Speaker Output: 5W
Driver Size: 52mm
Bluetooth Version: 5.0
Bluetooth Range: 10m / 33ft
Battery Capacity: 1200mAh 
Playtime: Up to 8 Hours
Charging Time:  2 Hours
USB Power Input: 5W
Product Size: 130 x 100 x 130mm
Product Weight: 460g