Main Features:  -Bluetooth pairing of mobile phones is super simple, compatible with all devices that support Bluetooth function.  -2 inch neodymium iron horn and sound guide tube to ensure loud, clear and full sound, and strong bass.  -LED display, the working status is clear at a glance.  -Built-in microphone and portable audio-hands-free call function, easy and convenient to answer calls.  -Multiple working modes of Bluetooth, U disk, FM, TF card, AUX, sound card.  -Suitable for parties, travel, living room, bedroom and other scenes.    Specification:  Power: 6W   Standby Time: about 72h   Charging Time: about 3h   Working Time: about 10h   Bluetooth: 4.2   Channel: 2.1   Power Supply: USB   Impedance: 4Ω   Battery Information:  Battery Type: Li-ion battery   Battery Capacity: 1500mAh   Dimension:  Product Weight: about 0.27kg   Package Weight: about 0.43kg   Product Size (L x W x H): 9.30 x 6.90 x 8.40 cm     Package Contents:  1 x Speaker   1 x USB Cable   1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.