HT3189 is a wireless transmitter and headphone set. The included transmitter can be used with your TV, DVD, PC or any other audio source to stream high-quality audio to the included headphones with NO LIP SYNC DELAY. This set is PRE-PAIRED and therefore far more convenient to those that don’t wish to be bothered with the Bluetooth pairing ritual. Product Specifications Bluetooth Transmitter BTTC-318 * Bluetooth version: V4. 2 * Support profiles: A2DP * Audio codec: apt-LL, apt, Fast Stream, SBC * Operating Range: Up to 30 meters * Product size: 48mm (L) x 48mm (W) x 15mm (H) * Weight: Body approx. 16g, Base approx. 7g Bluetooth Headphone BTHS-AS9S * Bluetooth version: V4. 1 * Supports profiles: headset, hands-free, A2DP, AVRCP * Audio codec: Fast stream, SBC * Operation range: Class 2, 10 meters * Driver size: 40mm * Impedance: 32 ohm * Frequency Response 20Hz-20KHz * Headset size: 200mm x 180mm X 80mm * Ear pad inner diameter: 6. 3cm (length) 4cm (width) * Ear pad Outer diameter: 10cm (length) 8. 5cm (width) * Headset weight: 200g What’s in the box? * Headphones * Transmitter * Micro USB data/charging cable * 3. 5mm audio cable * Audio Splitter * 3. 5mm female to RCA male cable * Quick User Guide * User Manual * Contact Card We offer 24 Months for normal use. Live online support, Telephone Support, and email support are available. Video user guide are available also from Asante site. Support Any issues or suggestions, contact us via our US toll free No, Intl number, OR email us and 1 business day reply is . We are committed to 100% customer satisfaction.