Patent ID: 8831240

Claim:
An audio playing terminal, comprising: a Bluetooth module configured to receive from a first Bluetooth headset a motion locus of the first Bluetooth headset, wherein: the motion locus is calculated from detected accelerations of the first Bluetooth headset in three dimensional directions during the process where the first Bluetooth headset is placed onto a user's ear; the motion locus represents movement of the first Bluetooth headset as it is placed onto the user's ear; and the motion locus calculated as the first Bluetooth headset is placed by a user onto one of the user's ears differs from the motion locus calculated as the first Bluetooth headset is placed by the user onto the user's other ear; and an identification unit configured to identify whether the first Bluetooth headset is placed on the user's left ear or right ear by comparing the motion locus of the first Bluetooth headset with predetermined left ear or right ear characteristic loci, and transmit left channel or right channel reception instruction corresponding to the identification result to the first Bluetooth headset through the Bluetooth module.