The revolutionary M• W1 features unheralded wireless audio reproduction. Using the KLEER™ audio technology, the M• W1 delivers completely wireless stereo sound in perfect time and phase to the two remote receivers. Using a Twist-To-Fit design and high quality transducer, the KLEER™ audio transmission delivers CD-quality sound reproduction without fidelity-robbing audio compression. The M• W1 features a sophisticated and tech-oriented design and includes a compact docking station that can charge the earbuds up to 3 times remotely without tapping a power source. 
| Frequency response | 19 Hz - 20,000 Hz | | Range | Approx. 32.8 ft. (10 m) in open area | | Sound pressure level (SPL) | 115 dB | | Charging time | Approx. 2 hrs (from empty battery to full charge) | | Weight | Approx. 0.35 oz.(10 g) each | | Operating time | Approx. 3-4 hrs | | Battery | Built-in rechargeable battery (Lithium-ion, 3.7 V / 40 mAh) | | Impedance | 32 ohms | | Cable length | 3.9 inches (transmitter only) | | ISM band coexistence | Dynamic Channel Selection (16 channels) | | Carrier frequency | 2.40-2.48 GHz | | Jack plug | 1/8 | | Radiated power | <2 mW | | Receiver charging cycle | Up to 3 times from fully charged docking station battery (On-the-move) | | S/N | >80 dB | | Total harmonic distortion (THD) | <0.5% at 1 kHz with nominal output of 100 dB SPL | | Transducer principle | Dynamic | | UPC code | 615104143913 | | EAN code | 4044156030135 | | Dimensions (single) | 3.25 x 6.25 x 7.75 inches | | Weight (single) | 1.5 lbs | |
