Features: Innovative Bone Conduction Technology: Experience music like never before with bone conduction technology that delivers stereo surround sound through your cheekbones leaving your ears open to the world around you. Open Ear Design: Unlike traditional earbuds that block out ambient noise these reusable open ear earbuds allow you to hear your surroundings while still enjoying your music. Sweat-Proof Design: Don't let sweat or rain ruin your workout! Our reusable earphones are sweat-proof and water-resistant making them perfect for any activity. Noise Cancelling: The dual microphone design with noise elimination function enables clear call just like face-to-face conversation. Long-Lasting Battery Life: With a large battery capacity wireless earphone you can enjoy up to 6 hours of continuous playtime on a single charge so you can stay connected and entertained all day long. Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Specifications: Material: Plastic Size: 7.5*2.5*5cm Bluetooth-compatiable chip: V5.3 Charging compartment battery: 300mAh Transmission distance: 10 meters Charging time of the charging compartment: About 2 hours Headphone charging time: 1.5H Playback duration: 6 hours Earphone battery: 30mAh includes: 2 x Earbuds 1 x Charging Case 1 x Charging Cable 1 x Instructions "