Features:  SOMHO S309 is a wirless bluetooth speaker、 which supports TF card inserted、 FM radio、 and line-in functions、 with 1200mAh capacity battery built-in. Its Φ40mm 5W dual horns、 bringing excellent bass sound to shock your ears. Built in microphone、 it is convenient of the hands-free calling. The touch-sensitive replaced classic button control、 makes the speaker more fashional and advanced. Note: This speaker can not support NFC function. Specifications:          General Specification             Brand        SOMHO             Model        S309             Color        Silver、 Silver             Type        Bluetooth Speaker、 Bass Speaker             Product Weight         339g             Dimensions         202 x 62 x 67mm           Technical Parameters             Connectivity        bluetooth connection、 TF card、 line-in、 USB drive             Conectivity Interface        charging port、 TF card slot、 USB port             Output Power        10W             Driver Unit         Φ40mm 5W*2             Frequency Response        20-1600Hz             Microphone        Support             Bluetooth Version        Bluetooth V2.1            Transmission Range         10 meters             Battery         3.7V 1200mAh             Charging Voltage        5V    Package  Included:                  1 x SOMHO 309 Bluetooth Speaker            1 x Audio Cable            1 x Charging Cable            1 x User Manual