portable wireless speaker with Bluetooth, Mini outdoor speaker, wireless column, 3D stereo music surround bass box Characteristics:1. Bluetooth 5.0 ensures instant pairing. Wireless speakers have faster connection speeds, more stable signal transmission, and lower power consumption.2. The built-in 1200mAh lithium battery gives you up to 6-8 hours of non-stop music on a single charge.3. Built-in high-sensitivity microphone, one-key hands-free conversation, allows you to answer calls without reaching your phone.4. It can be used with mobile phones, computers, iPad, iMac, or for gaming, as a portable speaker and more.5. HIFI surround sound and powerful bass sound effects.6. Suitable for bedrooms, bathrooms, kitchens, offices, conferences, business trips, vacations, etc.7. The portable mini speaker has a compact size and is lightweight. Specs: Item Name: Wireless Speaker Material: Plastic Bluetooth version: Bluetooth 5.0Wireless range: about 8-10 meters (unobstructed)Battery capacity: 1200 mAh Endurance time: about 6-8 hours (depends on the volume of the music)Charging time: about 3 hours