High quality led logo speaker

Two version: plastic or aluminum 

500 mAh - 3.7 V battery
Frequency: 50 Hz - 20 KHz
Rechargeable by USB port
Sound output: 1 x 3 W
Impedance: 4 Ω
Bluetooth™ 4.2
Autonomy: 6 hours
Red LED charge indicator, Blue LED BlueTooth connection indicator
Reception up to 10 metres
Weight: 100 g
Dimensions: ∅ 50 mm x 45 mm
Material: abs + aluminium