Mini Resonance Speaker S2 With Fm Radio Function Support Tf Card+built-in Lithium Battery+7lantern/mp3/mp4 Speaker

Learn more about Mini Resonance Speaker S2 With Fm Radio Function Support Tf Card+built-in Lithium Battery+7lantern/mp3/mp4 Speaker

• Descriptions:
• This resonance speaker can support TF card,built-in lithium battery,7lantern,and with FM radio function,lanyard-type antenna.It's so convenient to carry.This rope that connect to the speaker not just the strap,but also is the antenna,it sounds great.
• Function parameters:
• Input DC voltage: DV 5V ± 0.5v 
• Built-in lithium battery: 3.7V 600mAh 
• Charging time: 4 hours 
• Continuous playback time: 4 hours 
• Maximum output power: 3W 
• Frequency response: 80Hz-18KHz 
• Source: TF card, PC, MP3, MP4, MD, CD, DVD player, Mobile phone, etc