1. Bluetooth 4.0 low energy technology for short distance communication.2. Anti-loss, object searching and remote camera shutter functions.3....1. Bluetooth 4.0 low energy technology for short distance communication.2. Anti-loss, object searching and remote camera shutter functions.3. Available range is about 20-30 meter (no obstacle).NOTE: If iTracing quit for some reason,please delete it and download it on apple store again.
LebQuake
