High quality Bluetooth audio brand new Bluetooth version 5.0 - transmission distance up to 10 meters - playback time up to 2-3 hours - support for two machines in couplet - battery capacity 1200 hours - support Bluetooth, TF card, USB, FM, couplet (easy connection of multiple playback modes) - product size = 154 * 64 * 67mm - net weight = 0.3KG - packing list = charging cable, Bluetooth audio<br>characteristic:<br>High performance 5.0 Bluetooth EDR transmission is more stable, and the signal does not jam continuously<br>Built in high-definition microphone for high-definition calls, intelligent noise reduction and delay, easy to receive calls from mobile phones<br>3 hours continuous play; fast charging speed, long safe play time, let you continue to enjoy the charm of music<br>FM one button radio; the speaker supports FM radio function<br>What is the Internet? Two speakers can be used as left and right channels! Interconnection means that two sets of mobile phones can be switched on at the same time by long pressing the power on key, do not connect, long pressing the M key, and hearing the Ding Dong tone. If the connection is successful, the mobile phone can search for the connection again,<br>
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