Soaiy Latest Bluetooth 4.0 Hands Free Car Kit Visor Multipoint Speakerphone (S-31), Red
Output power	2WFrequency response:180Hz~16KHzImpedance	8ΩSNR	≥70dBDistortion	0.5%Battery specification	BL-4C/3.7V/600mAhCharging voltage	DC 5VDimensions	L121*W46*H19mmNet weight	623g (excluding clip)