Cheap price mini speaker hands free portable wireless speaker With TF Card Mic USB Audio Music PlayerSpecificationsCompatible with: MP3,TF/Micro SD Card Transmission Distance: 10 meters Power Output: 3W Battery Capacity: 400mAh Supports: BT,Hands-free Calls,Loudspeaker,Microphone,TF Card Music Playing Functions: AUX Function,Songs Track BT: BT V2.1 Interface: ,Microphone,Mini USB,TF Card Slot Charging Time:about 2 hours Operating Voltage:DC3.7V-4.2V Power:4Ω 3W 


