The ClearSounds Quattro 4.0 neckloop features a removable Bluetooth microphone, offering the ability to hear clearly in any environment such as meetings, restaurants, in your car and more. Don't have t-coil equipped hearing aids? No problem! Simply use the ClearSounds RS062 SmartSound™ Earphones (included) or any pair of headphones (not included). Features: Stereo Bluetooth headset profile (A2DP) Removable Bluetooth 4.0 microphone for use in meetings and social situations Call waiting/Caller ID display Stereo music playback control Voice menu prompts Rechargeable Li-Ion battery Up to 16 hours of use MFB (multi function button) Touch screen button operation Multi function OLED screen display Mute Siri/S voice, Galaxy S3, Note II control function Touch screen volume control and music forward/rewind 3.5mm headset jack (A2DP) Connect up to two Bluetooth devices Walkie-talkie function can communicate with another Quattro 4.0 Bluetooth v4 Noice cancellation Supports A2DP/EDR Bluetooth profiles 2.5" diameter Includes: Quattro 4.0 Bluetooth Neckloop AC adapter Adjustment toggle USB charging cable SmartSounds earbud Options available: Standard ($279.99) (pictured above) QLink Transmitter ($302.99) Support TV, iPod, HiFi, MP3, media players, laptops and other devices Includes stereo RCA to stereo 3.5mm cables Bluetooth profile: A2DP V2.1 Compatible with any A2DP V2 profile headset or neckloop (Note that the QLink is not compatible with the ClearSounds CLA7BT neckloop which does not support the A2DP profile) Range: up to 33 feet Play time: up to 10 hours Charging time: 3 hours with full functionality even while charging Frequency range: 2.4GHz spectrum QLink Transmitter QH2 Hub & Amplifier ($455.99) Bluetooth v3.0 33' wireless range Handset lifter included Supports remote answer, depending on your Bluetooth headset functionality Universal telephone compatibility dial provides compatibility with 99% of telephones AC powered Store up to 8 paired devices QH2 Hub & Amplifier QLink & QH2 ($509.99) QLink & QH2 4.0 LITE ($184.99) This “Lite” version of the award-winning Quattro 4.0 offers many of the same great features but at a fraction of the cost. The push-button design makes it easy to have conversations on your cell phone, listen to music or watch TV with the QLink (not included). The Quattro 4.0 LITE fills in the gaps hearing or cochlear implant users may experience in certain listening situations, or it has a 3.5mm headset jack for use with earbuds for those without hearing aids. Features: 30dB amplification Push button operation and voice prompts Stereo music playback control Rechargeable Li-ion battery for up to 6 hrs of use 3.5mm headset jack Connect up to 2 Bluetooth devices Bluetooth V4 and supports A2DP/HFP/HSP/AVRC profiles 2.5” diameter Add an extra Bluetooth microphone for added listening capabilities (not included) Includes USB charging cable with AC adapter 4.0 LITE Click for user manual Click for QLink manual Click for QH2 Hub manual Click for 4.0 LITE manual