Maximum Sound level SPL = 86dBC
Frequency Range = 130 Hz - 20 kHz
Drivers = Two 1.5", 4 Ohm Drivers; One 3" x 1.5" Passive Radiator
Rechargeable Lithium-Ion Battery for up to 10 hours of battery life between Micro USB charges.
Actual battery life will vary with use, settings and environmental conditions.
Charge time: 3.8 hours