1,Mini key chain speaker 2,Amplifier shape speaker 3,Built-in li-ion battery 4,do your own logo 5,Promotional gifts

1,Mini key chain speaker 2,Amplifier shape speaker3,Built-in li-ion battery 4,do your own logo5,Promotional gifts

Amplifier-shape SpeakerWork for ipod, mp3/mp4,PC,PDA,mobile phone,etcPower:built-in li-ion battery rechargeablePower: 1WSpeaker:4ΩFrequence response: 120Hz-18KHZ                                                                                  

Dimension: 22*20*30mm

Key chain Speaker Amplifier shape Speaker