Dear sirs, a factory which is professional Digital Voice Recorder Developing, producing and sales more than 10 years, also the earliest company to produce the series of products. All products are private models, have own patents, CE.ROHS and related to electronic certifications. We have unique design, best quality and best service竊�lso providing one -year warranty Now we are researching and developing new products continually. sample order is accepted.if you need more information or details, please go through our website or contact with us directly. B.R wendy