LG Tone Pro HBS760 Stereo Bluetooth (Black) – All Sales are Final On OEM Bluetooth, Please refer to Manufacturer for warranty. -Bluetooth 4.1 interface With aptX and A2DP compatibility for call clarity. -Quad-Layer Speaker Technology Provides full bass, clear voice and reduced distortion on high frequencies. HD Voice enables rich, full audio. -Call, pause/play and jog buttons Allow easy control in 1 fluid motion without pulling out your device. -Tone & Talk SMS reader Simplifies texting.