- USB wireless phone for Skype (about 50-meter /?150 feet range、 manufacturer rated)- 2.4 GHz ISM Band、 suitable for Europe、 USA、 Japan etc- Handfree with echo cancellation- Large graphic LCD with blue backlight- Review contacts and call list on phone- USB 1.1 & 2.0 compatible- 430mAh rechargeable battery included                                                                                                                                Dimensions: 5.51 in x 1.57 in x 1.1 in<br />Weight: 17.81 oz