Detailed Product Description Model:Watch Mobile Phone V900Operating Frequency:GSM/GPRSNetwork frenquency: GSM900 /DCS1800 /PCS1900Support ... 160-260MStandby Time: 100-240HAccessories: Two-polymer battery (500mAh), travel charger, USB data cable, bluetooth headphonesLanguages: support mutil-languagesCall functions ... , speaker, streaming media, the Internet, AT command support, mobile password security