Karma Italiana BM 539 Mono portable speaker Black 10 W

Compact and lightweight, but extremely powerful. It can be fastened to the belt or worn thanks to the included strap. It is rechargeable and offers an autonomy of up to 5 hours. Just plug the wired headset microphone into the socket to make it ready for use. It is endowed with volume control and USB / microSD player for MP3 tracks.
Ideal for teachers, coaches, tour guides, conferences and for anybody necessiting of a small and performant device to amplify his voice. The built-in battery can be recharged via USB (cable included) or power adaptor (not included). It is recommended to use a 5V - 1A power source.

Karma Italiana BM 539. Audio output channels: 1.0 channels, Speaker type: 1-way. RMS rated power: 10 W, Frequency range: 90 - 18000 Hz. Connectivity technology: Wired. Product type: Mono portable speaker, Product colour: Black, Product design: Rectangle. Compatible memory cards: MicroSD (TransFlash), Amplifier: Built-in

Loudspeakers
Audio output channels	1.0 channels
Number of speakers	1
Speaker type	1-way
Audio
RMS rated power	10 W
Frequency range	90 - 18000 Hz
Ports & interfaces
Connectivity technology	Wired
Wi-Fi	N
Bluetooth	N
3.5 mm connector	Y
USB connectivity	Y
USB 2.0 ports quantity	1
Headphone out	Y
USB charging port	Y
Design
Product type	Mono portable speaker
Product design	Rectangle
Product colour	Black
Housing material	Acrylonitrile butadiene styrene (ABS)
Volume control	Buttons
On/off switch	Y
Built-in display	N
Hook	Y
Carrying handle(s)	Y
Castor wheels	N
Performance
Card reader integrated	Y
Compatible memory cards	MicroSD (TransFlash)
Built-in microphone	Y
FM radio	N
Amplifier	Built-in
Power
Battery type	Built-in battery
Battery technology	Lithium-Ion (Li-Ion)
Battery capacity	1800 mAh
Battery voltage	3.7 V
Battery recharge time	4 h
Weight & dimensions
Width	85 mm
Depth	40 mm
Height	105 mm
Weight	160 g
Packaging content
Quantity per pack	1 pc(s)
Microphone included	Y
Quick start guide	Y
Package type	Box
Logistics data
Master (outer) case width	18.2 cm
Master (outer) case length	15.5 cm
Master (outer) case height	5.5 cm
Master (outer) case gross weight	344 g
Products per master (outer) case	1 pc(s)
Products per shipping (inner) case	30 pc(s)