Chipset: Conwise CW6633E Bluetooth version: V4.2 Battery: 2200mAh, 7.4V, 18650 Playing time: 4 hours Speaker: 2pcs, 4Ω, 10W, Φ50mm Passive radiator: 2pcs Material: ABS casing, fabric mesh Size: 450*60mm & Weight: 821g Hands-free call TF card playing AUX-in playing USB disk playing FM radio Time display Dual alarm clock |