MoPod Spaceman Cute Little Gadget Spins & Lights Up to Let You Know When Your Cell Phone Has a Call or Text Message Just 2.5 by 1 by 1 inches. Make a Fashion Statement: Attaches Easily to Purse, Belt Loop or Cell Phone. Works on the GSM frequency (AT&T/Cingular, T-Mobile, etc.). More choices coming soon. Two long-life batteries included.