W-Technology Level U Bluetooth in-Ear Wireless Headset with Mic and UHQ Audio Wireless Streaming for Samsung/Oppo/VIVO/MI (Randaom Color) an ideal choice for high quality music on the go. Ergonomically designed for long term wear, these headphones feature a flexible urethane joint to wear around your neck and Stabilizing Wing Ear Gels for in-ear comfort. The magnetic earbuds conveniently clasp together, reducing clutter when not in use. Large 12 millilmeter speaker units deliver clear sound and active, dual-mic noise reduction prevents outside noise from interfering with your music or with calls. The high-capacity battery supports up to 11 hours of talk time, up to 10 hours of listening,