DataSheet down from here: SH-H3 DataSheet
This is a Bluetooth 4.0 dual-mode module. Compatible with Bluetooth Smart (Bluetooth low energy) and Classic Bluetooth
This also means that it can support both iphone and almost all of the android phone.
When the module works in bluetooth 4.0 low energy mode. It only supports iphone4s or later.
When the module works in the bluetooth classic spp mode, it only supports android phone.
VCC: input power supply 3.3~6V, Prohibit more than 7V
When working in bluetooth 4.0 BLE mode:
Service UUID: FFE0
Read Write Notify UUID: FFE1
When working in Classic Bluetooth 2.0 SPP Slave Mode:
It can replace HC-05 or HC-06 modules
For iOS(iphone 4s or later/ ipad 2 or later): LightBlue (down from appstore)
For Anroid : Bluetooth Serial Terminal or other Bluetooth Serial App( same as HC-05 or HC-06)