Our speakers have been improved in terms of Bluetooth version, speaker power, transmission distance and standby time. (550 × 50 × 50mm) 1. Upgraded version of luxury audio, 4 speakers, 3D stereo surround sound. 2. Support Bluetooth connection, fully compatible with most kinds of Bluetooth devices, wireless playback, please do whatever you want. 3. Support U disk playback. You can also play audio from your phone or other device over the audio cable. 4. Built-in DSP sound processor, clear...

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