Sony Ericsson introduces besides the W850 Walkman Phone also the W710 walkman phone targeted at sporty people.

The Sony Ericsson W710 has a motion sensor and new fitness applications that measure your running speed, distance and time, or simply count your steps when walking.

Like the W850 the new W710 features the new improved walkman player supporting MP3, AAC and AAC+ and eAAC+. Other features of the W710 are a 2MP camera with digital zoom, bundled 512MB M2 stick, FM Tuner and two screens. The Sony Ericsson W710 is a Quad-band EDGE/GPRS Walkman phone commercially available in Performance Graphite and Hatha Violet starting to ship during Q3 2006.
More details in this Sony Ericsson press-release.