PECHAM S5 Wireless Bluetooth Headphones with Mic, Bluetooth 4.0 Headset In-Ear Earbuds Sport Running Sweatproof Earphones for iPhone, Samsung, Smart Phones and other Bluetooth Devices, Blue and Black LOSSLESS SOUND. Advanced Bluetooth 4.0 version provides high-fidelity stereo music/sound within 33 feet/10 meters, FAST & STABLE. You could answer / end calls, play and pause music with the multi-function button (MFB). Listen to anything that pleases you, PECHAM S5 offers you perfect balance of bass and treble anyway. VOICE RECOGNITION. A built-in microphone delivers your speech clearly to the other side. Automatically reads the number when receiving calls, by simply saying YES or NO you could answer or reject calls. Its a REAL HANDS-FREE REVOLUTION. QUICK & EASY PAIRING. Press the MFB on the side of the earphones and connect with your device. Compatible with all Blue-tooth devices. LONG BATTERY LIFE. A built-in rechargeable Grade A polymer large capacity battery, lasts up to 8 hours talking or 6 hours music playback or 150 hours standby. No need to worry about it running out of juice. COMFORTABLE DESIGN & THOUGHTFUL SUPPLY. Ergonomically designed, compact and lightweight in-ear earbuds ensures your comfort with it. Comes with three spare earbuds of different sizes to make sure everyones got the most comfortable ones.