... % * Output 2.5w* High quality sound* Frequency response 120-18000 Hz* Distortion: less than 1%* Speaker impedance 4 Ohm* Aux input through ... mobile phone, IPAD, MP3, PC, etc.Our major products:Headphones, speakers, radios, multifunctional items, toys, outdoor sports equipment, home appliances, household ... long term business relationships with you . Key Chain Disco Ball Speaker