Specifications:1) Power supply: battery (AAA 1.5V x 4), DC 5V (USB cable for PC), orAC power adaptor cord (output 6V, 300-800mA)2) Speaker unit: 52mm x 2W x 2(4 ohms)3) Output power: 2W x 2(1kHz 10% T

Features:1) Open size: 15.3 x 6.4 x 3.5cm2) Folded size: 9 x 6.4 x 3.5cm3) Rated power: 1W x 24) Rated resistance: 8Ω5) Input sensitivity: ≥90dB6) Power: DC 3-12V, ≤300mA7) Battery: 3 x 1.

Features:1) Size (W x H x D): 16 x 10 x 2.8cm2) Power supply: battery (AAA 1.5V x 4), DC 5V (USB cable for PC),or AC power adaptor cord (output 6V, 300-800mA)3) Speaker unit: 52mm x 2W x 2 (4 ohm)4) O

Features:1) Open size: 15.3 x 6.4 x 3.5cm2) Folded size: 9 x 6.4 x 3.5cm3) Rated power: 1W x 24) Rated resistance: 8Ω5) Input sensitivity: ≥90dB6) Power: DC 3-12V, ≤300mA7) Battery: 3 x 1.

Features: 1) Open size: 15.3 x 6.4 x 3.5cm 2) Folded size: 9 x 6.4 x 3.5cm3) Rated power: 1W x 24) Rated resistance: 8Ω5) Input sensitivity: ≥90dB6) Power: DC 3-12V, ≤300mA7) Battery: 3 x

Features:1) Input: special iPod jack 3.5mm mini stereo jack2) Power output: 3W per channel3) Frequency response: 100Hz - 20KHz4) Battery powered: 3 AA batteries or transformer5) Dimensions (L x W x H)

Features:1) Open size: 25.5*20*6.5cm2) Folded size:3) Rated power: 1W x 4) Rated resistance: 8Ω5) Input sensitivity: ≥90dB6) Power: DC 9-12V, ≤300m7) Battery: 4 x 1.5V AAAOuter packing:60p

Features:1) Input: special iPod jack 3.5mm mini stereo jack2) Power output: 3W per channel3) Frequency response: 100Hz - 20KHz4) Battery powered: 3 AA batteries or transformer5) Dimensions (L x W x H)

Features:1) Power supply: battery (AAA 1.5V x 4), DC 5V (USB cable for PC),or AC power adaptor cord (output 6V, 300 - 800mA)2) Speaker unit: 52mm x 2W x 2 (4 ohms)3) Output power: 2W x 2 (1kHz 10% THD