The invention concerns a wearable device 1 comprising a sensor 3 adapted for sensing a body part movement, a controller unit 4 adapted for sampling and processing data from the sensor 3 in order to detect a body part movement, and communication means 5 for communicating with at least one external device. The controller unit 4 is arranged to trigger at least voice capturing upon detection of a body part movement. The invention further concerns a name recalling system 100 comprising a wearable device 1, a mobile phone 20, a microphone 7, 28, 43, processing means 26, 31, a database 27, 32, and a name presentation unit 21, 52. The invention also concerns a method for name recollection.