There is provided a radio device, comprising: a Bluetooth circuitry configured to generate and advertise a Blue-tooth beacon signal having frame format according to the Bluetooth standard; a proximity communication circuitry configured to receive configuration commands wirelessly from a physically separate user device over a magnetic induction -based proximity communication; and at least one processor and at least one memory including a computer program code, wherein the at least one memory and the computer pro-gram code are configured, with the at least one processor, to cause the radio device to perform operations comprising: reconfiguring at least part of data content of the Bluetooth beacon signal on the basis of the received configuration commands, wherein the data content of the Bluetooth beacon signal is set to comprise at least physical activity related information