Sodo Mh3

An over-ear headphone designed to operate as a speaker also, simply twist the ear-cups out to switch to speaker mode. headphone with speaker bluetooth (version: 4.2) supports hands-free phone calls supports fm radio, tf card, nfc supports audio line-in for non-bluetooth supports long press - dial back the last call, caller id reader when incoming call high quality stereo sound battery meter on ios system speaker: 3w*2 battery: 350ma battery type: lithium-polymer rechargeable battery music playback time: headphone mode: up to 8 hrs speaker mode: up to 2 hrs bluetooth profiles: hfp/ signal to noise ratio: -75db~-95db charging time: around 2 hours