SOL REPUBLIC Shadow Wireless Bluetooth Earbuds &ndash; Special Edition Tiger Woods, Multi-Device Connectivity, Folds in your Pocket, Noise Isolation, Featherweight Comfort, SOL-EP1140BK Black ULTRA LIGHT FIT: Flexible, biomorphic neckband - so comfortable you can wear it all day 8-HOUR RECHARGEABLE BATTERY: So you can use it all day SOUND: Deep rich bass and incredible clarity, sounds better than most wired headphones MULTI-DEVICE CONNECTIVITY: Switch between 2 Bluetooth devices so you can watch a video while staying connected to your phone CONTROL CALLS AND MUSIC: Microphone + 3 button remote lets you answer/hang-up calls, adjust the volume, and pause/resume/skip your music User manual is uploaded as (Other content) in below technical specification column. Connectivity technology : Wired and Wireless