Features:- With YAERHUI bluetooth earbuds, effectively reduces surrounding distractions, enjoy noise-free audio performance.- Sweatproof, lightweight and portable size is perfectly suitable for body-building, relaxation, running, moutain-climbing travelling, exercise and other sports.- Faster and more efficient than ever before, bluetooth 4.1 improves over the past version with quicker response and lower frequency. You get longer running time and high quality sound. You spend less time charging and more time doing.Specifications:- Connecting interface: Micro USB;- Power supply: DC 5V 300mA;- Talk time: 5-6 hours;- Music Time: 4-6 hours;- Standby time: 80 hours;- Charging time: 1.5-2 hours;- Bluetooth version: 4.1;- Bluetooth distance: W/O obstacles 10m;- Bluetooth protocol: HFP v1.6, HSP v1.2, AVRCP v1.4, A2DP v1.2, CVC Version 6.0;- Battery Capacity: 3.7V/90hMA;- Support Agreement: HFP/HSP/A2DP/APTXX.Compatible Required:- Bluetooth version: 4.1 or above;- Support systems: Windows, iOS, Android, etc. - Compatible: for Samsung, iPhone, iPad, LG, HTC, Sony, Motorola, Huawei, Blackberry, Nokia, Tablet, PC, Laptop, etc.Package Include:1 * USB charging cable1 * Bluetooth headphone1 * The user manual2 * Ear hangingThrow in positioning ear glue( small, medium,large)Among Instructions: - Long press the headset button until the headset alternating red and blue lights flashing.- Switch on phone bluetooth, search headset paired QY7sv - 520, click on the match.- Short press the switch can switch music and song, long press the switch can adjust the volume.- Even after the bluetooth, and at the same time by pressing the volume switch can switch each other in Chinese and English. - Please read the instructions before use, the instrutions after reading please keep aside.
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