The Emprex EMPREXESPUSB Portable USB Speaker is the perfect addition to your suitcase when travelling around the UK or abroad. It is both USB and mains rechargeable making it extremely versatile and its built in 3.5mm phono plug means you can listen to music straight from your mobile phone or MP3 player.
Speaker: Mono 1.5'' 4 Ohm neodymium driver
Power: up to 2W power
Frequency response: 30 Hz - 20 kHz
S/N ratio: ≥ 60 db
Distortions: < 0.3% at 1W of 1 kHz
Power Supply: 300 mAH lithium battery, 5 VDC re-chargeable from an USB port or with AC charger(enclosed)
Power Consumption: 5 VDC, up to 0.5 A