Features: 1) When you open the cards, you will see a beautiful flashing pin and hear pre- recorded music at the same time (the available LED's color, yellow, green, blue, white). The rainbow lights and euphonious music will make you pleasantly surprised. We can make the music as client's requirement, now we have made: a) Music type: happy birthday, small world b) Monosyllabic: small world, Alice c) Disyllable: 20 Christmas songs d) Chord: 3 music with chords, 6 chord songs for children 2) Both the flashing pins and dulcet music will stop working when close the card 3) You can take out the flashing pins and attached to your clothing, please refer to enclosed sketch map, and any custom logo are welcomed 4) We also can print the cards as client's design, material: 300g white papercard a) Dimensions: 21 x 14.5cm b) Unfolded dimensions: 21 x 30cm 5) The lifecycle for cards: 300 - 350times (from the beginning to the end of music as one time) 6) The structure: flashing pin + music IC + circuit + colorful card + packing 7) Samples time: 8 - 9 days Inner packing: 1pc/opp bag Outer packing: 200pcs/ctn Carton dimensions: 67 x 45 x 32cm N.W.: 14kg G.W.: 15kg Highrich Other Price Terms: FOB Payment Terms: T/T Certification(s): ISO9001Supply Ability: 100,000pcs/month