silicon watch waterproof/ion sport watch/anion sil

1.With 100% health silicon and negative ion. 2.6-size:14cm - 15cm -16cm(XS) - 17cm(S) - 18cm(M) - 19cm. 3. 20-common color: white,black,red,yellow,orange, blue,voilet,green,limegreen,sky blue,pink,grey,navy blue and so on. 4.Gift box:blister gift box 5.G.W.: 0.05kg/pcs ; N.W.:10g/pcs 6.Therapeutic: to regulate blood circulation,fashionable decoration. 7.Minus ion emittance: More than 1700/cc (Minus ion tester) 8.1-3ATM waterproof(3ATM CAN WEAR FOR SWIMMING AND SURFING) 9. Certificate: CE RoHS 10. Heat resistance: 60degrees 11.LOGO: silkscreen printed,Debossed,Embossed 12.fashionable design,prompt reply and excellent service,high quality with competitive price Using direction for negative ion watches: 1. Press A button twice(Date and Time displays when press once) 2. When the month figure appears,press M to set the month. 3. Press A button once again,the date figure appears and press M to adjust the date. 4. Press A button once again,the minute figure appears and press M to set the minute. 5. Pls keep away from little babe that under 3 years,avoid into mouth!