This Bluetooth headphones version is able to delivers low power consumption and fast stable signal transmission. Dual-side balanced weight, comfortable fits for wearing. Magnetic earbud and neck-like shape strongly fixed on your neck, no need to worry about falling off or cable tangling when wearing. One button for multifunctional control, music play/ pause/ switch, phone call answer/ hang up, volume adjustment Max. 8 hour music playtime, long-term music enjoyment provided. very durable, easy to use , not easy to damage product.