• QY8 Upgraded Version. Featuring latest Bluetooth CSR4.1 and build-in gold-plated antenna design, the signal is twice times stronger than the common one, supporting 33ft(10meters) working range. It also allows to pair with two devices simultaneously.
• High Quality Sound. CVC6.0 noise-isolation

• QY8 Upgraded Version. Featuring latest Bluetooth CSR4.1 and build-in gold-plated antenna design, the signal is twice times stronger than the common one, supporting 33ft(10meters) working range. It also allows to pair with two devices simultaneously.
• High Quality Sound. CVC6.0 noise-isolation technology can filter the majority of ambient noise to ensure crystal clear sound. APT-X audio decode tech provides you high stereo music experience with deep bass. Build-in HD mic makes it can be used as a hands-free kit.
• Long Battery Life. Adopted high-performance polymer lithium battery, the swan series sport headphone allows about 7hours playing time and 175 hours stand-by time. The remaining battery life of the earphones can be display on the IOS status bar.
• Unique Design. With a buckle, you can adjust the cable length as you like, gaining better sound experience while exercising.
• Stylish Appearance. With UV process, they are sleek, in black with silver detail. Ergonomical in-ear design offers you snug and stable fit. Ideal for exercising, running, cycling, walking and all kinds of indoor or outdoor activities.