SmartBB(TM) Bluetooth Headphones V4.0 Wireless Stereo Sport Noise Cancelling Sweatproof Earphones Running Earbuds Headset with Microphone GYM Earphone for iPhone iPad Samsung Android Phones with Ergonomis design and comfortable wearing with original packaging with chip CSR8640.,Ultra strength bluetooth signal with intellgent noice-cancelling CVC 6.0 blocks out the world With os apple system of the battery power display Excellent high-definition music stereo decoder