Remax Stereo Headphone with Retail Package Bluetooth V4.1 AUX Audio Cable.Headset soft PU coated material, feels very smoothly without feeling heart ear when used, with fairly large diameter is 76mm ear Pointing Smart Noise Reduction Built-in 300mAh Rechargeable Battery offers 14h of continuous hearing

USA RB-300HB is equipped with high-quality speakers,two independent speaker chambers designed, gives users the clean sound with powerful bass and sound

Capable of connecting to two devices at one time Equipped with high-quality polymer battery system along with modern battery-saving saves you maximum energy