Excellent Wireless Headphpone With Usb Charging Jack Beautiful Appearance Resonable Price
Product Description
Noise reduction type: single-fed master control
1. chip :TI(Texas Instruments)
2. Noise reduction depth: 20dB
3. impedance :32 Ohms
4. frequency response: 20-20khz speaker 5.sensitivity: 118dB
6. microphone sensitivity :40dB
7. working voltage :2.5V
8. working current :10mA
9. static current (single noise reduction)7mA
fodable design for easy storage