1、Compatible Battery: This Bluetooth speaker supports for BL1860, BL1850, BL1840, BL1830, BL1820, BL1815 series 18V battery (not included), with a cordless design, allowing you to enjoy convenient stereo sound. 2、Excellent Sound: This Bluetooth speaker provides excellent sound quality, allowing users to enjoy clear and deep sound whether they are working or indulging in entertainment activities, playing music or processing sound. 3、BT and LINE IN Mode: This portable speaker supports Bluetooth 5.0, ensuring fast and stable pairing with the device. For LINE IN mode music playback, simply plug in the AUX 3.5mm cable, connect your phone and speaker. 4、Charging Port: This cordless BT speaker has USB and Type C charging port, supporting simultaneous charging of 2 devices. Suitable for phones, tablets, MP4 players, digital cameras, game consoles, settop boxes, etc. 5、Low Voltage Guard: This Bluetooth speaker has excellent low voltage guard function, ensuring that the battery will not discharge excessively during use. Significantly extending the battery lifespan and providing lasting endurance. 6、Portable Design: This cordless speaker features a handle design, making it convenient to carry and store. Suitable for construction sites, outdoor activities, home entertainment, and other scenes. Item Type: Bluetooth Speaker Material: ABS Input: Bluetooth 5.0 or 3.5mm AUX Power Supply Battery: For BL1860, BL1850, BL1840, BL1830, BL1820, BL1815, LXT-400, 194205-3, 194204-5, BL1820B, BL1830B, BL1830B-2, BL1850-2, BL1850B, BL1850B-2 and other 18V Lithium Ion Battery x 1 (not included) 1 x Speaker 1 x User Manual 1 x Cable