Bluetooth version: 5.0Support range: 2.402- -2.480GHzPacking box size: 19 * 7.2 * 21cmSpeaker model: 4083Speaker size: 40MMImpedance: 32ohmSensitivity: 118 +/- 3db @ 1KHzFrequency response: 20HZ-20KHZRechargeable lithium battery: 3.7V / 200mAUse time: 5-6h



GR, LESVOY