Features: Wireless BT speaker provides lossless sound quality, which is suitable for enjoying beautiful music or answering hands-free phone calls. BT speaker supports mobile phone, tablet, laptop and more electronic equipment to connect. Supports BT connection and AUX input. With high quality dual BT speakers, a mobile phone can connect both of them to bring stereo sound in left and right double channels. Rechargeable and cordless, with 1000mAh large capacity battery in each BT speaker, suitable for both indoor and outdoor use. Concise appearance, mini size, portable and lightweight. The 2 speakers can be used alone or together via megnetic adsorption. Auto power off if there is no connection in 10 minutes to save battery, more power-saving and energy-saving. Note: Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for understanding.