PRODUCT GRADING Grade New - Brand New sealed. Retail Box WHAT IS IN THE BOX SODO MH1 Bluetooth Headphone & Speaker 2 in 1 Twist-out Wireless Headset PRODUCT DESCRIPTION Once you want to escape the world temporarily and enjoy the music just alone ,please twist the ear cups inwards. Speaker mode-ear cups are twisted to outwards direction, the speaker mode is activated . It blends people with people ,and music it's better to share your joy with others rather than to keep it yourself! PRODUCT INFORMATION Output Power: RMS 3W*2 Speaker: 4?,3w,?40mm Battery Capacity: 350mA Bluetooth Version: 4.2 Maximum consumption current: Headphone Mode 100mA, Speaker Mode 250mA Input Power: DC5V 500mA Frequency Response: 90-18Khz Sensitivity: 500mv±50mV Signal To Noise Ratio: >70db The Distortion Degree: <0.3%