40mm Neodymium driver units
Bongiovi DPS sound
NFC connection
Long battery life
RFB-988 Wireless Bluetooth Headphones
Driver Units
40mm
Impedance
32Ω
MIC. Sensitivity
-38dB±3db
Polar Pattern
Omni-directional
Power Supply
700mA Li-Ion Battery
Input/output
3.5mm
Play Mode
2X●4X●8X●1/2X●1/3X