<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div><strong><span style="font-size:20px">Product parameters</span></strong><br/>Bluetooth version: V5.3 <br/>Wireless transmission range: 10M <br/>Audio to noise ratio:&gt; 85db <br/>Battery capacity: 500mAh <br/>Battery voltage: 3.7V <br/>Normal volume playback: 1H <br/>Speaker specification: ¢ 52mm <br/>Speaker power: 4Q/5W <br/>Frequency response: 120HZ-18KHZ <br/>Size: 90.3mm * 90.3mm * 53.5mm <br/>Unit weight: 218g <br/>Charging voltage: 5V/500mA <br/><br/><span style="font-size:20px"><strong>Functional Features</strong></span><br/>1. Adopting advanced Bluetooth audio decoding chip to support all Bluetooth device connections <br/>2. The sound is soft, clear, and dynamic, with distinct layers: <br/>3. Can directly connect to mobile phones/tablets/computers/TV Bluetooth pairing to play music, with a Bluetooth reception distance of up to 10 meters; <br/>4. Supports music playback on USB flash drives and TF cards, and supports full bitrate playback in MP3 format; <br/>5. FM automatic search and storage: The radio station has a built-in FM receiver module that can automatically search and store radio stations, saving time and effort: <br/>6. Supports hands-free calling function, with a built-in high-sensitivity microphone, providing an incredibly smooth calling experience for mobile phone calls: <br/>7. Support TWS function for boxes. Function indication <br/><br/><strong><span style="font-size:20px">Function indication</span></strong><br/>① DC 5V power interface (TYPE-C USB charging interface) <br/>② TF card input interface: When the TF card is inserted, it can decode MP3/WAV format audio playback <br/>③ USB input interface: When a USB drive is inserted, it can decode MP3/WAV format audio playback <br/>④ Power switch: Press and hold the power button when in the off state. Press and hold the power button when in the on state; In music mode, short press to switch between different modes (USB flash drive, TF card, FM radio, Bluetooth) <br/>⑤ Pause button: In music mode (USB flash drive, TF card, Bluetooth), short press to &quot;play, pause&quot;. When paired with a phone in Bluetooth mode, short press once to answer a call hands-free and then press again to hang up. Long press when a call comes to reject the call (short press once to automatically search for radio stations in FM mode, short press once to cancel automatic search for radio stations in the future); When both speakers are in Bluetooth mode and not connected, press and hold the pause button on one speaker for 4 seconds. If you hear a prompt sound and one of the indicator lights is on, the TWS connection is successful. Then connect your phone again <br/>⑥ Previous song button: Short press to &#x27;Previous song&#x27; in music mode, long press to decrease volume <br/>⑦ Next song button: Short press to &quot;next song&quot; in music mode, long press to gradually increase volume. Note: In radio mode, please insert the charging cable to increase the radio signal strength, which will improve the radio effect <br/><br/></div><div></div><div><br/></div></div></div><br/>