Qunqi HM-11 Bluetooth 4.0 Module Anti-lost Bluetooth Serial for Apple Android Ultra-low standby power consumption 400uA ~ 800uA Small Size: 13.5 * 18mm Ultra-long connection distance 100 ft / 60 m Fast reaction speed 0.4 seconds,Receive no byte limit, up to 6K Bytes / sec. For Apple, Android,Android 4.3 perfect support Receive no byte limit, up to 6K Bytes / sec. MFI does not need to do Android 4.3 perfect support. PC Communications perfect support (must be compatible with HM-15) 10X HM-11 Bluetooth Module