Remax RB-M9 Fabric Ultra Thin Portable Bluetooth Speaker Slim and chic body wear it with true stereo 3.5WX2 speaker units, surging sound output. Built in 1800mAh lithium battery, can realize up to 8 hours of battery life music, Bluetooth 4.0 chip imports, transmission can be up to 15 meters, lossless transmission sound memory paired device recognition, intelligent quick links to support voice calls limited AUX audio input, more convenient to use - Wireless Bluetooth Speakers with built in Stand - Artistic Touch- Gorgeously clothed in richly-textured fabric, the stands alone as a work of art. It's sophisticated, yet playful; modern, yet classic. It's simple, orb-like geometry contrasts flawlessly with a luxe, textile face, and soft, rubberized back. - Enjoy great audio, elegant design, and wireless convenience with the Sphere portable speaker - Easy to use- Compatible with all Bluetooth-enabled devices Built in 1800mAh lithium battery - Material: ABS+Fabric; The thinnest part: 20mm - Output: 3.5W*2; Sensitivity: 950mv - Frequency range: 20Hz-18KHz - Speaker frequency Range: 150Hz-18KHz - Sensitivity: 80db±2db; Signal noise ratio: ?70dB - CTN G.W.: 15.74KG; CTN SIZE: 41*36*41cm What's in the box Remax RB-M9 Bluetooth Speaker Charging Cable User Manual