THE WAY YOU EXPERIENCE SOUND IS ABOUT TO CHANGE FOREVER! Hello, we are TREBLAB and we LOVE SOUND. - We were born because we got tired of wasting money hyped up, overpriced or subpar “earbuds” that produce noise instead of sound. - We never cared much for wires that tangle up your body either. - We knew someone had to make the product we dreamed about… the rest is history.TREBLAB XR500 – A TESTAMENT OF TECHNOLOGY AND AUDIO ENGINEERING - When you put on Treblab’s earbuds, your ears will be treated to true HD sound, an unparalleled bass response, and serene noise cancelling – all with seamless wireless Bluetooth connectivity.FEATURES - HIGH-DEFINITION SOUND – Rock-solid bass, super-crisp treble. - PASSIVE NOISE CANCELLATION – with expandable foam ear-tips. - SECURE COMFORT FIT – Soft rubber finish and secure hooks. - LONGEST PLAY TIME – Up to an incredible 9 HOURS of play. - CONTROL CALLS – HD Microphone, volume, skip, pause and play. - COMPATIBLE WITH – All devices with Bluetooth.SPECIFICATIONS- Bluetooth 4.1 CSR - Bluetooth profiles: HFP, HSP, A2DP, AVRCP - Noise-Cancellation ??? 6.0 - Operation time: up to 9 hours - Charging time: 2 hours - Signal range: 38 feet - Battery displayed on device - Supports multi-device connection - In-ear voice prompts- Frequency response: 20Hz-20kHz - Frequency range: 2.4GHz-2.48GHz Amazon Buyers Trust TREBLAB to be a Brand that is Focused on High-Quality Products and Great Customer ServiceYou are Backed by Our 1 Year Manufacturer’s Warranty too! We Cannot Guarantee this Special Pricing, So Be Sure to Click Buy Now!