Bt-021 Bluetooth Truly Wireless In Ear Earbuds With Mic Black

we can talk, listening to music Built-in DSP audio processing system, can be a very good eliminate Noise and echo, to ensure clear communication Newest bluetooth headset with lightweight and compact portable design Built in HD and Sensitivity microphone. Easy Pairing with Voice Calling. Built-In Rechargeable Lithium Battery Lasts Up To 8 Hours Of Talk / Play Time Or 180 Hours Standby, Universally Compatible With Most Bluetooth-Enabled Phones.