Features:                                   
*Super-light, mini portable hung and clip appearance design                      
*Nd-Fe-B magnet speaker,high sensitivity and instant response.      
*Digital & energy-conserving     
*Rechargeable lithium battery                         
Applications:  Teaching, speech, guide, exercise coach, promotion, music or personal use.
Specifications:
*Output Power: 6W                     
*Frequency Response: 80Hz~12KHz
*Speaker Impedance: 4Ω                       
*Battery:3.7V/1000mAh rechargeable lithium battery                       
*Charging time: 2~3 Hours            
*Battery working time: 6~12 Hours    
*Charging adaptor: DC5V/500mA    
*Material: ABS                            
*Net Weight: 130g (with battery)   
*Size: ￠89 x 34mm
*Color: Black, White, Pink etc optional