SX GOOD OVLENG V8 Bluetooth Wireless Stereo Headset Headphones w/Mic (Black+yellow) OVLENG V8 Hi-fi stereo headphones for PC MP3 Headset Headphone.Super bass, precise sound Significant noise reduction for travel, work and anywhere in between Deep, powerful sound for the music you love Built-in microphone Allows clear Phone communication; Enables use as a headset. Music and phone controls ensure ease of use Built-in rechargeable lithium-polymer battery ,Compatible with all mobile phone with bluetooth function