... only 48g 2. Bluetooth (stereo) 3. Built-in USB plug 4. CE,FCC,RoHS Detailed Product DescriptionHOPU ... only 48g 2. Bluetooth (stereo) 3. Built-in USB plug 4. CE,FCC,RoHS HOPU EC107 Udisk ... version (EC107S), which excels other watch phones in its luxury specifications, 176pcs Swarovski Crystal, dazzling ... that EC107 and EC107S are both equipped with inbuilt USB plug, you could charge it or exchange ...