The capacity of electricity can be up to ten hours at continuing using.
The Bluetooth GPS Receiver has the ability to track up 20 satellites, and it can accurate to be 5 meter. You can be easily set up your position even if you are under the bridge or hall which could not receive signal. We use the same with cell phone by high capacity of Lithium-ion battery. It can be changed easily. In other words, GPS Receiver has high sensitivity of signal by receiving ability and can be set up the position easily under the sun control film. By the way, you can be clear to set up your position during navigation; you will not be lost, and you can be arrived quickly.
