This is a Bluetooth cases, connecting to your mobile phone with dedicated App,
it enables single SIM card mobile phone to be Dual SIM, for a phone call and SMS operations.
It surpport a phone call and SMS operations.
Network data service does not support.
SIM type: Micro SIM
Network standard: GSM
Network band: GSM850MHz / EGSM900MHz / DCS1800MHz / PCS1900MHz
Support iOS:iOS7.1-10.1.1, We will continue to update
Jailbreak: No need jailbreak
Language: Support multi language
1 x Bluetooth SIM adapter
1 x English manual