1. Item No.: CMPE-142. Product Name: Purple crystal rhinestone earphones3.Material:ABS4.Bling earphone inlayed with rhinestones, each stone placed by hand piece by piece. No machines are used.5. Various stones colors, size, logo and packing are all available6. Can be designed as per customers' requests7. Prompt delivery and good service base on competitive price.8. Imaginative and fashionable design selectable.Instructiona)Sensitivity at 1KHz: 110+/-3 dB; b).Impedance: 32+/-15% Ohm; c).Speaker dia.: 4.8mm; d).Mylar: 9 e).Frequency response : 300-6000Hz; f).Input power : Nom5mw,Max10mw; g)Distortion : Less than 5% at 1KHz 5mw; h)Weight : Approx. 18+/-3 grams; i).Connector : 5mm; j).Cord length : 120cm; k).Color: white l).Volume controller