Enjoy the great outdoors with your 900 MHz wireless Rock speaker system that seamlessly blend into your landscaping allowing you to listen to music just about anywhere, without the hassle of running unsightly speaker wires. The powerful transmitter uses 900 MHz technology to send music through walls and floors to the wireless speaker over 150 feet away. The System includes two Wireless rock speakers with up to 150 range each containing a rechargeable battery good for 4-8 hours of use. The system is also compatible with the SPK-VELO-001 and SPK-VELO2 indoor outdoor wireless speaker system available at Buy.com. ...