Bluetooth Headphones, eBerry QY9 Wireless Bluetooth Headset Sport Earbuds In-Ear Stereo Sweatproof Earphones Sports Running Headphones with Microphone for iPhone Samsung Sony Android Phones (Red) EXCELLENT AUDIO PERFORMANCE: CVC6.0 noise cancellation technology greatly filters unwanted outside noises and makes you immersed in your music; Smart Apt-X technology strengthens the powerful audio and delivers crystal clear CD quality sounds LATEST BLUETOOTH TECHNOLOGY: Bluetooth V4.1 and CSR 8645 boost the signal 2 times, fast and easy pairing with 99% Bluetooth-enabled devices such as iPhone, iPad, Samsung, Motorola; Wireless range is up to 33ft (10m) COMFORTABLE FIT: eBerry QY9 Bluetooth headset comes with two pairs of earhooks and three pairs of earbud tips (different sizes), plus the ergonomic design, the headset will stay in your ears even when taking exercises IDEAL SPORTS HEADPHONES: The behind-the-neck wireless design frees you from the restrain of cables while doing exercise while the sweatproof design is perfect when you wear them for running, climbing, driving, skating, camping, fishing and other outdoor sports SUPER LONG BATTERY LIFE: Up to about 5-hour continuous playtime after one full charge, build-in large capacity rechargeable Li-battery for quick easy charging. Power meter displayed on Apple iOS devices