... MP3, MP4, Photo, Ebook7. GPS receiver: Mstar MSB21128. Antenna: with GPS internal Antenna9. Battery: rechargeable Li-Polymer battery,700 mAh ... passed 5 years.Today, ViotaTechnology is an industry-leading company with operations in China, and Hongkong.Viota's product range ... to operate an innovative, service based and long steady International Corporation.Pls send us your inquiries,we will revert ...