ZEALOT H1 Bluetooth Neckband Headphones Sports Earbuds Noise Cancelling Running Earphones In Ear Wireless Headphones Bluetooth Headset [Foldable] [Light Weight] for Smartphone (Black) UNIQUE ERGONOMIC DESIGN FOR SPORTS: 55g light weight is no burden to neck; Rechargeable battery provides up to 8 hours of phone time and music playtime; Foldable structure makes it little space taken, and it can hang on railing when not being used BEAUTIFUL FOLKSY OUTLOOK with blue LED light, it's distinctive at night and impeccable in every detail; Gradual widened and slim neck hang fits human body shape AMAZING SOUND AND CRYSTAL CLEAR VOICE with Vibrating Call Alerts: Noise reduction technology CVC6.0, & Echo cancellation, with enhanced bass, present you live, full, rich, authentic music experience; Smart voice promotion keep your voice crystal clear and natural just like using original cell phones ONE KEY SWITCH & AUTO CONNECTION: Bluetooth CSR4.0 contributes to fast Bluetooth connection to your cell phone and tablet; Super easy connection by switching on one button of H1 to start pairing without pressing 3 seconds to wait. H1 also automatically connects to last connected device once both are power on ONE CONNECTS TWO: H1 can connect to two mobile phones at the same time. You can listen to music from either phone