Price: 16.5 yuan (set / non-billing / shipping not included)

Material: ABS plastic with

Color: white

Features: beautiful, wearable

Compatibility: 4-inch video module, the LCD screen can be installed

Size: 210 * 205 * 50mm

Packaging: white carton

Structure: 1. The internal circuit boards and components of the effective use of space is:

Minimum intervals: 18mm

Maximum intervals: 28mm

2. Bottom shell plus a hole DIP

3. Bottom shell has a diameter of 4mm and 5mm speaker slots, one each

4. Sliding potential hole above the external crystal blocks (with line) a