Black Flag Portable Bluetooth Speaker Powerful Wireless Outdoor Speaker Camping Party Subwoofer Surround Music Speaker|Portable SpeakerPacking: 1 x Bluetooth speaker 1Features:-Portable Bluetooth speaker with built-in Bluetooth 4.2 wireless transmission.-Support hands-free calling (with microphone), answering calls.-Compatible with all Bluetooth devices such as smartphones and tablets...-Bluetooth chip, clear sound quality, perfect sound quality, strong bass, you can enjoy unfettered stereo music anytime and anywhere when you go out.-Built-in 2000mAh lithium battery, support rechargeable battery.-Support playing MP3 songs stored in TF card-Support all external 3.5mm o input terminals-Support FM radio functionspecification:Bluetooth speaker frequency range: 60Hz-15KHzBluetooth version: 3.0Rated power: 20WSNR: 50dBPower supply: built-in lithium battery 2000mAhPlaying time: about 8 hoursCharging time: about 4 hoursEffective distance: 10 metersFunction: Bluetooth, AUX, long standby, TF card, FMRadio item size: 380*135*145mmNote:-The color of the item may vary slightly due to different photography and computer monitors. -Due to manual measurement, the size may have a slight error. Your understanding will be greatly appreciated