Supersonic IQ-135TWS-WT IQ Sound True Wireless Earbuds (White)

• Truly wire-free--no wires connecting earbuds to playback device or between the ears ;• Amazing stereo sound ;• 10 mm drivers;• Built-in microphone for making phone calls with paired smartphone;• Wearer presses Function button once to answer; twice to reject ;• When in calling mode, only master earbud will have sound--this safety feature allows user to hear the traffic while driving;• 1-button control ;• Super lightweight and sweatproof;• Bluetooth(R) V4.2 ;• Frequency range: 20 Hz to 20 kHz ;• Transmitting distance: 32.8 ft. ;• Up to 2 hours music and talk time;• Up to 120 hours standby time;• Impedance: 32 ohms ;• Sensitivity: >85 dB ;• Distortion: