Ring Unique Features: Luminous..Because the ring will be luminous . When your beloved, in the dark to see the ring heartbeat ECG pattern, he must be very happy, just like your lover on your side,, you can feel to her heartbeatLuminous Titanium steel ring does not turn your finger green. It has a unique feature in that It does glow in the darkUnique Gift ring design for couples Men and Women, Boy and Girls. the best gift in Christmas's Day or wedding, Party Day,Valentine's Day.Fine or Fashion:FashionItem Type:RingsStyle:Cute/RomanticOccasion:WeddingGender:lovers'Rings Type:Wedding BandsShape\pattern:HeartMaterial:stainless steelcolour:Silver Bottom Silver Platesize:Surface Width:8mmring:9Package Contents:1*RingOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.