ƒ?®CALL VIBRATE ALERT: The Bluetooth Headset Neckband will vibrate continuously and prevents missing incoming calls while the earbuds are not in your ears. ƒ?®CONVENIENT SLIGHT MAGNET: The built-in magnet gives this Bluetooth headset Neckband a convenient storage way to carry around when your earbuds not in use, greatly decreasing the burden on ears. ƒ?®IPX4 WATERPROOF: Featured with IPX4 waterproof levels, our wireless headphones neckband Bluetooth serves you anytime not matter you are in gym, working-out, running and other sweaty exercise. ƒ?®SOFT & LIGHTWEIGHT: Weighs only 1.1 oz in soft and durable silicone neckband, 65% lighter than any other wireless headphones neckband Bluetooth, youƒ??ll hardly feel them while wearing. ƒ?®ULTRA LONG PLAYING TIME: 110mAh Low power consumption rechargeable battery provides up to 10 hours of continuous music time with single charge.