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OT-SP003 iSound portable speaker for iPod/iPod mini
1) Use with iPod/Notebook/PC/MP3 Player/CD Player
2) Drive unit: 8 ohms, 1.25" x 4
3) Power output (RMS): 2W x 2 (8 ohms/10% THD) input signal sensitivity, 500mV
4) Dynamic range: 150Hz-18kHz
5) Control volume, power switch
6) LED indicating
7) AC power adapter (included; DC 6V/600mA)
8) Signal to noise ratio (S/N): >60dB
9) Audio line-in jack: 3.5mm
10) Battery: 4 x AA or external AC power adapter
11) Battery life: 8~10 hours' alkaline batteries
12) Dimensions: 205 x 138 x 30mm

OT-SP209
1) Product name: mini USB speaker
2) Speaker: 1.5", 4 ohms, 3W
3) Input sensitive 300mV
4) Input resister 10,000 ohms
5) Distortion: 65dB
10) Control: volume, LED
11) Dimensions (L x W x H): 68 x 45 x 100mm
12) N.W.: 203g

Inner packing:
Gift box
Gift box dimensions (L x W x H): 19.8 x 6 x 12.8cm

Outer packing:
Carton
Carton dimensions (L x W x H): 41 x 39.5 x 31.5cm (blister 30pcs/carton)

OT-SP215 mini speaker for iPod
1) For use with iPOD/Notebook/PC/MP3 Player/CD player
2) Drive unit: 4 ohms 50mm x 2
3) AMP output (RMS): 1W x 2
4) Dynamic range: 120Hz-18kHz
5) Control volume, power switch
6) LED indicating
7) DC adapter (not included)
8) USB-DC cable (not included)
9) Input voltage: 3-6V
10) S/N: >70dB
11) Audio line-in jack: 3.5mm
12) Audio cable length: 22cm
13) Battery: 4 x AAA or connect to USB ports
14) Unit weight: 183g (without battery and DC cable)
15) Dimensions: 200 x 65mm (fully opened), 100 x 80mm (folded)