Specifications: Item NO: MH-2008, universal mobile wireless earphone High sound quality, automatic search and frequency lock function stable and reliable Hand free wireless headphone, easy communication and safe drive suitable for ALL kinds of cell phones, powerful compatibility, no bluetooth function requirement. Environment protection concept.no high frequency radiation avoid body harm by adopting super low frequency of transmit power, meet all requirements of national standard Adopt environment protection chargeable lithium battery, the continuous talk time is 3 hours, the standby time is as 100 hours, equipped with mobile charger and AC indoor charger, which guarantee the talk time in any condition, lithium battery charge protective circuit inside guarantees the use after three hours charge, long time charge will not damage the battery inside. Price: USD18.00 for min order 500pcs