MPOW Petrel Sports Running Bluetooth Headset Earpiece Earbuds The lightest stereo wireless headset of the world at only 0.4 ounces comfortable for wonderful experiences. Bluetooth 4.0 with Aptx support for HD audio with crystal clarity and great bass for perfect music enjoy. Integrated multi-point technology lets you connect two devices at once, and support Siri voice command. Ultra-long talking/playing time: up to 5 hours on a single charge. Unique appearance design and color color assortment, professional outdoor sport fit stabilizer ensure having a wonderful excise experience.