Lubix PH1 allows the use of any earphones with 3.5mm audio jack for music listening and phone conversation while enjoying the wireless freedom of Bluetooth technology.     IIn addition to Lubix’s unique advanced 3D sound solution, Lubix PH1 offers echo cancellation and noise suppression, providing the most comfortable and enjoyable sound environment.     Weighing only 12g (Pendant only), Lubix PH1 sets a new standard among stereo Bluetooth headsets and provides maximum comfort for the wearer.     The attachable/detachable holder case allows to fix the headset to the user’s shirt or bag, providing stability and comfort.     Lubix headsets can be conveniently charged by plugging the included ISB cable into either a ISB port on a computer or the compact wall adapter, also included.     In addition to Lubix’s unique advanced 3D sound solution, Lubix PH1 offers echo cancellation and noise suppression, providing the most comfortable and enjoyable sound environment.     Sound externalization. Provides comfortable and persistent listening environment by taking distractible sound away from ears and head when using earphones. Reverberation effect for earphones. Delivers natural and soft 3D sound field effect simulating that of a live performance. Spatial dispersion effect for earphones. Widely spread main vocal and center-placed instruments by providing a panoramic 3D audio image. Spatialization effect for earphones. Not only delivers wide stereo sound image, but also enhances low-frequency sound to provide rich and deep bass tones.     Remote Control capability Volume Control Redial last number Call hold/reject/cancel Bluetooth Version: V2.0 Class II Supported profiles: A2DP, AVRCP, HSP, HFP Frequency spectrum: 2.4GHz Spectrum Operating temperature: -20 ~ +60℃ Operating Time: Talk 6Hours / Music 5Hours Standby time: 100 Hours Working distance: 10m Product Size: 59(L) x 25(W) x 11(H) mm Product Weight: 12g