2.4Ghz waterproof outdoor wireless speakers 1)2.4Ghz wireless 2)high performance, nice design 3)rock shaped, ... 2.Weather-resistant, can be used outdoor and indoor3.Accessory: Rock transmitter, remote control, rock speaker AC adapters, audio cable, RCA type audio ... 10.OEM service available 11.Certificate: CE 2.4Ghz waterproof outdoor speakers 2.4G remote control acoustic system can conduct wireless ...