Serial Number: 1	Serial Number: 2
Serial Number: 3	Serial Number: 4
Serial Number: 5	Serial Number: 6
Serial Number: 7	Serial Number: 8
Serial Number: 9	Serial Number: 10
Serial Number: 11	Serial Number: 12
Serial Number: 13

Style， random delivery
Price is the price of 4
Material: Soft + electronic components
Specifications: With about 20cm， about 1.8cm Bandwidth