3.5 MM audio jack connection wayFrequency response range 100 hz - 20 KHZThe output power of 1 w75 db or higher SNRTrack 5.1The horn number 2Battery capacity of 500 m (A)The broadcast time 8 hoursShell material of plasticAppearance of size 85 * 30 * 45 CMProduct weight (0.035 KG)The fastest delivery time 8-15 daysWhether if there is a radioOverall dimensions 85 * 30 * 45 mm