... smartphone operating system compatible. 4 Receiver sensitivity:-75bm (standard) up to 4bm, low radiation. 5, modulation: 2.4G Direct Sequence ... notebook computers, can also support the Bluetooth HID protocol to connect a variety of portable electronic devices, IPDA, PDA, UMPC, Pocket PC, ... , Nokia S60 mobile phone, smart phone, PC input up to speed typing. Paypal accept leather case for the new ipad ...