Novpeak Wireless Bluetooth Earbuds headphones  with Mic, atp-X, Noise Cancelling and Sweatproof for Running Sport 10-15 Day Delivey! On Sale! 9900+ Sold! Bluetooth 4.0 technology,the signal strength is much more stable than the other headsets in the market,and the behind-the-head design is fashionable and cool when wearing. Using this senbowe bluetooth headset without traditional limitations,it can connect two phones simultaneously,which is more convenient and will not lose every call.Built-in rechargeable Grade A polymer high-capacity 140mAh battery lasts close to 6 talking time,7 hour music time, makes you do not worry the bluetooth device out of juice in your daily life Adopt the advanced innovation double damping technology,it can effectively improve the high,middle and low audio frequency,which make the high pitch clear and bright,the alto voice smooth,the bass vigorous.Built-in HD microphone,it is also designed with the noise cancellation,makes you enjoy a clear and wonderful sound even through you are in a noisy environment. Compatible with iPhone 5S 5C 5 4S 4, iPods,Samsung Galaxy Note 3, Note 2, S5 S4, S3, S2 Most Android Smart Phones and other Bluetooth-enabled tablets,Support call answering and Vol +/-, and next/previous track,easy to operate.