Music is a super companion for humans、 which can make you relaxing and enjoy colorful life. AEC BQ658 Wireless Stereo Bluetooth Headphone is specially designed for music lovers、 which is characterized by Advanced Bluetooth 4.1 technology、 Built-in high-grade Microphone &amp; Speaker、 hands-free function and lightweight design. AEC BQ658 Headphone will offer you wonderful music、 you can greatly enjoy your favorite Musician、 a super companion for you during daily life and travel.  <br><br>Features:<br>[Advanced Bluetooth Technology]<br>Latest Wireless Bluetooth 4.1 Technology with A2DP/ AVRCP support、 ensure transmitting strong signal in high quality and high speed. Offering high-fidelity stereo music、 BQ658 headphone fills your world with premium sound: from the deepest、 richest bass to a pure、 balanced response for natural sound.<br>[Echo Cancellation &amp; Noise Supression]<br>Noise Cancellation technology reduces ambient noises and enables clearer sound from microphone. You can get high quality hands-free phone conversation even on the street or inside a shopping mall.<br>[Strong Wireless Signal &amp; Multipoint Technology]<br>With a wireless audio range of 33 ft (10m)、 enjoy the freedom to move and the convenience of uncompromising sound quality. And can simultaneously connect two smarts phone. So you can seamlessly switch between your business and personal phones. <br>[Sport &amp; Sweatproof design]<br>Sport &amp; Sweatproof design guarantees 100% Stable and Comfortable when walking、 exercising、 running、 climbing、 driving、 skating、 cycling、 fishing and other outdoor sports. Small、 medium and big size earcap are included.<br>[Long Standby Time &amp; Fully Compatibility]<br>Built-in rechargeable Lithium battery lasts up to 7 hours of Talking Time / 5 hours of Music Playing Time and 180 hours of Standby Time per charge cycle. And universally compatible with most Bluetooth-enabled devices、 including iOS Android Windows Smart phones &amp; Tablet PC iPad、 and other Bluetooth devices.<br><br>AEC BQ658 Headphone Specifications:<br>Brand Name: AEC <br>Model Number: BQ658<br>Bluetooth Version: Bluetooth 4.1 + EDR; Class 2.<br>Supports HSP、 HFP、 A2DP、 AVRCP protocol.<br>Battery Capacity Display、 supports for iPhone.<br>Operation range: Up to 10 meters<br>Speaker Frequency Response: 80-18000Khz<br>Speaker Diameter: 10mm<br>Impedance: 32|?<br>Sensitivity: 100dB<br>High-quality 3.7V / 100mAh Rechargeable Li-ion battery<br>Music Playing Time: About 5 hours (The Music Volume will affect the time)<br>Talk Time: About 7 hours<br>Standby Time: 180 hours<br>Charge Time: About 2 hours<br>Charge Port: Micro USB<br>Charge Voltage: DC 5V / 500mA<br>Cable Length: 60m<br>Color: Green、 Red、 Gray (Optional)<br>Main Item Weight: 17g / 0.59oz<br>Package size: 17.5 * 9.5 * 4.5cm / 6.8 * 3.7 * 1.7 in<br>Package weight: 79g / 2.78oz<br><br>Package List:<br>1 * AEC BQ658 Bluetooth Headset <br>1 * USB Cable<br>2 * Pair of Earcap<br>2 * T-light Adapter<br>1 * English / Chinese User Manual