[Waterproof headphones] IOUIOU s9 headphones would protect from perspiration because of Aluminum alloy earplugs and waterproof Nano Coating Materials. It will keep using for a long time. Great choice for walking, running dancing, yoga, doing exercise, traveling and climbing mountains.
[Special music experience] If you used headphones which are placid or pungent, then you will be surprised by this headphones which can bring bass and full sound. We have adjusted this product by the new definition to make it to get to a higher level, it will make the wonderful darker sound and the full Layering of music, with the CSR8635 chip and V4.1+EDR Bluetooth designing.
[Enhanced comfort] i. The earbuds headphones are matched with your ear well without ear hook, and it is suitable for using for a long time and won’t drop down easily. ii. There is small and large size earplug inside.( In order to make it more comfortable, to provide better leakproofness, and to keep the position of earplug)
[Keep playing music for 15-20 hours] Updated Li-polymer battery would keep using 15-20 hours in playing music or communicating by the social media, and only charging for 1.5 hours. The left power of headphones will show on the screen of IOS or Android. ATTENTION: i. It is safe for charging; ii. Please use the charger we provided or the brand which is certified. iii. We suggest DC 5V/500 milliampere charger, not with the over-electricity or voltage.
[Reason for buying SM9] IOUIOU dedicated to producing Bluetooth headphones for many years, we own the professional team. IOUIOU s9 not only provides the fashion looking, but also offer you IPX4 waterproof design and full darker sound, to meet your needs. Every IOUIOU product provides 60-day refund and 24-month guarantee repair.