Bluetooth hand-free speaker for iPhone, iPad, PDA 1.bluetooth technology 2.DSP 3. 3D EQ 4. lithium ... battery Bluetooth hand-free speaker for iPhone, iPad, PDA Specifications:- Valid distance: within 10m - Frequency : 2.4026GHz-2. ... technology - Suitable for Apple iPhone, iPad, iPod touch, Mobile phone, PDA and Computer, etc. with bluetooth function - Unit dimension: 90X120mmWeight: 105 ...