· 1. 100% brand new

· 2. Wireless, protable, min

· 3. Bluetooth: Built in

· 4. Microphone: Built in, can answer phone calling with it

· 5. TF Slot: Yes. Can play music in micro SD ca

· 6. Built in rechargeable batter

· 7. Support line in, can connect with MP3, Mp4, notebook, mobile for Ipad for Iphone etc

· Technology standard:Bluetooth v3.0+EDR

· Frequency response: 280Hz-16KHz

· Signal and noise ratio of power amplifier: ≥95dB

· Wierless frequency:90Hz-20KHz

· Sensitive:80db2db

· Signal to Noise Ratio:80dB

· Distortion factor:0.3%

· Loudspeaker Output : 5W

· Built-in Rechargrable : 520mah

· Charging Voltage:5V

· Charge time: 2 hours

· Speaker Size: 60mm (D) * 50mm(H)

· color: black / white/ red / blue