Foldable Bluetooth Headset,Hiwill Wireless Neckband Sports Headphones with Retractable Earbuds, Bluetooth Sweatproof 4.1 Stereo Earphones Built-in Mic,Handsfree Calling Bluetooth Devices

Foldable Design: retractable earbuds and lighter weight, more flexible and convenient to carry on the go. Sweatproof, handsfree and foldable design perfect for outdoor sports.Long Battery Life: after a 3.5 h full charge,about stand-by time up to 300 hours,16 hours music time,18 hours talking time.With LED indicator light to show whether it in matching digital equipment or charging the headphone.Vibration and Voice Prompt: the Bluetooth headset wi.....More detail