Welcome to our store！</br> 1、Long Battery Life: The Bluetooth speaker has built in 1000mAh high capacity battery, providing 6 to 7 hours of long lasting battery life, and you can listen to music for a long time. 2、HD Call: This bluetooth speaker has a built in microphone, you can answer calls directly through it, providing a high definition and convenient call experience. 3、Bluetooth 5.0 Connection: Turn on your wireless speaker and device, search for Bluetooth, select and connect to ZY 010, then start enjoying your music time. 4、Shocking Bass: Upgraded sound quality, more shocking bass, mono speaker improves the bass performance and makes the bass clear, while keeping the small form factor. 5、Serial Connection: This wireless speaker supports dual wireless serial connection system, which can play 2 speakers at the same time, giving you a better music experience. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: BT Speaker Material: ABS Battery Type: Built in 1000mAh Li Ion Battery (Included) BT Version: 5.0 BT Name: ZY 010 Effective Distance: Approx. 10m/32.8ft Power Input: USB C Dual&nbsp;Device&nbsp;Wireless&nbsp;Serial&nbsp;Connection: Turn on both speakers without connecting your cell&nbsp;phone, double click on any one of the two speakers to pair them and connect them together, successful connection will have an indicator light flashes, and a prompt sound, connecting the phone to select a ZY 010 connection can play two speaker at the same time. <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x BT Speaker1 x Charging Cable Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>