... speaker with rechargeable battery, hamburger mini speaker, x mini speaker, mp3 speaker Product Details: Place of Origin:chinaBrand Name:hapow ( or ... apply with all music player and digital products ( mobile phone, MP3, MP4, PC, IPOD and other audio devices with 3.5mm ... phone/ PC / ipad/ipod/ mp3/ mp4 etc. Specifications: •Power: 2W• Frequency response:100-20KHZ • SNR≥80dB• Speaker drivers: 4.0cm, 2W/4 ...