uint price:12dollars(free shipping)
MODEL : MD-328
MAIN TECHNIQUE PARAMETER:
1, trumpet specification: 52mm*2
2, load power: 3W + 3W
3, frequency scope: 100Hz – 20KHz
POWER SUPPLY METHOD:
1, the DC 5V /500mA
2, the computer USB power supply
3, built-in 700mA lithium battery
MAIN TECHNIQUE PARAMETER:
MAIN TECHNIQUE PARAMETER:
1, trumpet specification: 52mm*2
2, load power: 3W + 3W
3, frequency scope: 100Hz – 20KHz
POWER SUPPLY METHOD:
1, the DC 5V /500mA
2, the computer USB power supply
3, built-in 700mA lithium battery

