Frequency response: 20Hz-20KHz
Sensitivity: 85dB +/-2dB
Transmission range: 10M (30 feet)
Device must be charged prior to first use Charge time varies by device Minimum charge time: 2 hrs
Playback time: Approx 90 min (depending on volume and usage)
Charging cable and instructions included
Product Size: 2" d x 2.25" dia.
1 L x 1 W x 0.17 H