battery powered microphone

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Wireless Handheld Dynamic UHF Microphone System With Rechargeable Receiver Lithium Battery Advantages * Build in Lithium Battery * Could be used 8 hou...

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.../2m Watt: 3.6W/0.5m, 7.2W/1m, 14.4W/2m Best to use with Bank, portable for out camping, bedroom, cars, emergency,ect.​ Mode key: 19 modes, ho...

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21V 4000mAh Battery Powered Brad Nailer Safety Upholstery Tool Cordless Electric Staple Gun Finish Nailer for Wood Equpped with brand nails (F10,F15,F...