ChatterVox Original Complete Battery Type: AA NiMH rechargeable

Battery Type:  AA NiMH rechargeable

Built in rechargeable

Sensitivity:  -66dB +/- 3dB (0dB = 1V/microbar @ 1 KHz)

Speaker: 4 ohm 2

And if you use the included beautiful leather case for the amplifier you can use the belt loops to wear it on your belt

ChatterVox Original Complete Battery Type: AA NiMH rechargeableThe ChatterVox Original Complete is an economical alternative. It provides the same amazing amplification of the Original Complete Plus without the protection and good looks of the Sport Pack. Featuring our exclusive Genuine Tonality Matching (GTM) technology, the sound of the ChatterVox Complete is nothing short of amazing. Its totally natural sounding. The ChatterVox becomes an extension of you. Its you, just louder, totally natural, just more easy