Model Number: A4-2-#2821
Brand Name: OEM
Key Specifications/Special Features:
RAM 128 + ROM 64 MBBoth way call functionPedometer, GEO-fenceEdible silicone material, noice-free, 4.0*1.5 HD mic, add 30dB for volume more clearGPS, GSM and G-Sensor, 1 key SOS for emergency, alarm clock
High polymer battery: 3.7V 500mAh can work for 5 days