Rapoo 2.4Ghz 3.5mm Jack Wireless Headset with Microphone (H3070 Blue) Reliable 2.4GHz wireless connection provides up to 10M working range. You are free to enjoy high-quality, stereo audio The hidden omni-directional microphone automatically picks up your voice with remarkable clarity Recharge by using the universal mini-USB cable - even while your music is still playing 2-hour charging,6-hour enjoyment 3.5mm jack and USB dual input mode let your headphone can fit almost all audio sources, like phones,mp3,or PC etc. Wireless Technology: 2.4Ghz RF Host Interface: 3.5mm jack Form Factor: Semi-open