Product Description Specifications Compact design, rich 3 watt output, blue LED base light, built-in rechargeable battery. Includes USB charge cable and user manual. Materials: Aluminium Product Size: 50 x 45mm (dia.) mm Branding Area: 34 x 15 mm (pad), 23 x 15 mm (laser) Standard Packaging: White Paper Box Certification: CE, FCC, SDS Specifications: Working Range: 10 metres, Speaker Output: 3 Watts, Frequency Response: 60Hz - 15 KHz, Built-in Lithium battery: 300 mAh, Input Charge: 5V / 200 mA, Playback time: 3-4 hours, Stand By Time: 20 hours Features: Bluetooth Material: Aluminium Capacity: Under 2,500 mAh