1. Excellent Designing
2. Flexibility, Reliability
3. Loudly, clearly, Good timbre
4. Long batteries'life
5. Ultrathin contour
6. Component: Plastic shell, PCB, mini-speaker, battery
7. Recording time: 6s, 10s, 20s, etc
8. Size: 60mm Diameter, thickness 8mm
9. Voltage: 4.5v; Current: 60MA
10. Cell: CR1620*2, changeable
Customized message will be quitely welcomed!

Mini-order: 5000-6000pcs