- Bluetooth wireless speakers, can be accessed by mobile phones, tablet PCs, laptops, wireless music player 
- Bluetooth V3.01 + EDR international standards, fully compatible with Bluetooth-enabled mobile phone 
- Handset speakerphone, call no echo 
- Support TF card, card direct play using the high-quality 13-core magnetic speaker 
- With around selections and Pause, easy to control playback of music 
- Built-in 300 mA lithium battery, easy to carry out 
- Frequency range: 150Hz-20KHz SNR: ? 85dB 
- Output power: 3W Impedance: 4?

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