Arrangement for producing haptic effects in a user device, comprising: - a first part of the user device, - a second part of the user device, which second part constitutes a hand-held body of the user device - a movable attachment between said first and second parts of the user device, for allowing a user of the user device to hold the second part by hand and move the first part in relation to the second part during use of the user device, wherein said movable attachment is a swivel joint, slide joint, or elastically deforming joint, and - a haptic transducer for producing haptic effects for said user during said use of the user device; wherein said haptic transducer comprises: - a first half and a second half, - an arrangement of permanent magnets, of which at least a first permanent magnet is located in said first half and at least a second permanent magnet is located in said second half, and - at least one coil located in said haptic transducer and configured to create, under influence of an electric current flowing through said coil, dynamic magnetic forces in said haptic transducer; wherein said first half is attached to said first part of the user device and said second half is attached to said second part of the user device; and the arrangement comprises: - a detector configured to produce a detection signal in response to the user applying to said first part a force for moving the first part in relation to the second part, - a controllable driver circuit for generating said electric current to said coil in response to a control signal, and - a controller coupled to said detector and to said driver circuit, said controller configured to produce said control signal in response to receiving said detection signal; and characterized in that said movable attachment is a swivel joint, slide joint, or elastically deforming joint. - a first part of the user device, - a second part of the user device, which second part constitutes a hand-held body of the user device - a movable attachment between said first and second parts of the user device, for allowing a user of the user device to hold the second part by hand and move the first part in relation to the second part during use of the user device, wherein said movable attachment is a swivel joint, slide joint, or elastically deforming joint, and - a haptic transducer for producing haptic effects for said user during said use of the user device; wherein said haptic transducer comprises: - a first half and a second half, - an arrangement of permanent magnets, of which at least a first permanent magnet is located in said first half and at least a second permanent magnet is located in said second half, and - at least one coil located in said haptic transducer and configured to create, under influence of an electric current flowing through said coil, dynamic magnetic forces in said haptic transducer; - a first half and a second half, - an arrangement of permanent magnets, of which at least a first permanent magnet is located in said first half and at least a second permanent magnet is located in said second half, and - at least one coil located in said haptic transducer and configured to create, under influence of an electric current flowing through said coil, dynamic magnetic forces in said haptic transducer; wherein said first half is attached to said first part of the user device and said second half is attached to said second part of the user device; and the arrangement comprises: - a detector configured to produce a detection signal in response to the user applying to said first part a force for moving the first part in relation to the second part, - a controllable driver circuit for generating said electric current to said coil in response to a control signal, and - a controller coupled to said detector and to said driver circuit, said controller configured to produce said control signal in response to receiving said detection signal; and - a detector configured to produce a detection signal in response to the user applying to said first part a force for moving the first part in relation to the second part, - a controllable driver circuit for generating said electric current to said coil in response to a control signal, and - a controller coupled to said detector and to said driver circuit, said controller configured to produce said control signal in response to receiving said detection signal; and characterized in that said movable attachment is a swivel joint, slide joint, or elastically deforming joint.