... .Make and receive calss safely from the comfort of the steering wheel or utilize the smart detachable wireless earpiece for enhanced privacy ... an advanced DSP technology for noise and echo cancellation .Features:.Steering Wheel Bluetooth car kit with DSP(Digital Sound Process) Technology.Built ... : N95 8GB dual sim dual standby, C5, C3, N900, N97 mini,E100TV phone: C5 with TV, N97 TV, N8Smart phone: G2 ...