<ul> <li>Advanced BT chip and circuit design techniques, support all BT device</li> <li>Built-in low-freq radiators, super dynamic low-frequency sound pressure gain, clear and transparent sound</li> <li>Can play music after pairing with BT device such as mobile/MID/ TV, the working distance is more than 10M</li> <li>Support AUX IN audio input</li> <li>Built-in MP3 decoding, support TF card and U disk</li> <li>Build-in the FM radio module, convenient to auto scan and save radio channels</li> <li>With mic for hands-free phone call function</li> <li>Support TWS</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Bluetooth version: V5.3</li> <li>Transmission range: 10M</li> <li>Audio to noise ratio: 85DB</li> <li>Battery capacity: 1800mAh</li> <li>Built-in voltage: 3.7V</li> <li>Playing time: 8H</li> <li>Speaker size: 52MM</li> <li>Speaker power: 4&Omega;/5W</li> <li>Charging input: 5V/500ma</li> <li>Product size: 80*80*185MM</li> <li>Product weight: 454G</li> <li>Functions: Bluetooth function, FM radio, USB, TF card, call function, portable</li> </ul>