flashing ring for Valentine 1. Size:25(dia)*40mm 2. Battery operated, and battery is replaceable 3. Printing can be done on the LED flashing ring/single LED 4. Function: press button to turn on LED light inside the ring 5. Battery: lithium CR-1616 x 2 included 6. Weight: 13g 7. Single LED flashing: red, blue, green, white, and orange, two LED flashing: red + blue (or any other combination) 8. RGB 3pcs LED phase changing RGB 3pcs LED quick strobe 9.Great for party and promotion 10.Pad prints are available Flashing ring/LED flashing ring/party decoration/wedding favor/promotion gifts/novelty products