Oraimo NECKLACE 2 Sports Neckband develops cool and creative smart accessory for young people around the world, enabling them to explore more excitement. Real Crystal Clear Sound: oraimo’s exclusive Bluetooth resolution technology with 12mm large speaker units deliver high-quality, clear crystal sound for bass, mids, and highs. All Day Calls and Music: Built-in 200mAh battery provides up to 8 hours talk time, 8 hours of music playing time and 200 hours standby time. Easy Use and Anti-Loss Function: Built-in remote performs answer/end, volume control and music track all within a convenient reach and wi thout having to fumble for your phone. And with Doraemon’s unique anti-loss function, Necklace will make gentle vibration to alert you when your phone extends beyond safe distance.