25ST clip type headphone brings you perfect music enjoyment. It delivers high definition stereo and surround sound quality when picking up calls or listening to music cutting off ambient noise. Collar clip and flexible pulling design is no kinking and no broken which is in order. It's convenient to clip under your collar and easy to carry. New wearing style, Retractable speaker is fasten by a neck strap with one MFB button for flexible cable. It's perfectly suitable for driving, doing sports, etc.<br><br><strong>Features:</strong><br><strong>[Bluetooth Technology &amp; Strong Compatibility]</strong><br>Bluetooth Technology is perfectly compatible with 99% Bluetooth-enabled devices, for example, for iPhone SE / 6s / 6, for Samsung Galaxy S7 Edge / 6, etc.<br><strong>[Perfect Sound Quality &amp; Multi-point Connection]</strong><br>With noise reduction technology, It delivers high definition stereo and surround sound quality when picking up calls or listening to music cutting off ambient noise. It can connect two smarts phones at the same time so that you cannot miss any calls. <br><strong>[Endurance Time]</strong><br>With built-in rechargeable polymer 60mAh battery, it provides about 5 hours of continuous talking time, up to 4 hours of music time and up to 110 hours of standby time. <br><strong>[Collar Clip and Flexible Pulling Design]</strong><br>Collar clip and flexible pulling design is no kinking and no broken which is in order. Clip type headset is convenient to clip under your collar and easy to carry. <br><strong>[Exquisite Design]</strong><br>New wearing style, Retractable speaker is fasten by a neck strap with one MFB button for flexible cable. It’s perfectly suitable for driving, doing sports, etc.<br><br><strong>Specification:</strong><br>Bluetooth Version: Bluetooth version V3.0<br>Bluetooth Profile: HSP, HFP, A2DP<br>Frequency Response: 20-20KHZ<br>Sensitivity: 98+ -3db<br>Impedance: 16ohm + -15%<br>Charging Time: about 1hr<br>Talking time: about 5hrs<br>Music Time: up to 4hours<br>Standby Time: 110 hrs       <br>Battery: 60 mAh<br>Color: Black, Golden with Black (Optional)<br>Cable length: Approx. 37cm / 14.57in<br>Item Weight: Approx. 17g / 0.61oz<br>Package Size: Approx. 14 * 9.5 * 2.5cm / 5.51 * 3.74 * 0.98in<br>Package Weight: Approx. 71g / 2.52oz<br><br><strong>Package list:</strong><br>1 * Headphone<br>1 * Charging Cable <br>1 * Rope<br>2 * Earmuff<br>1 * User Manual