Bluetooth Earphones for Celkon Win 400 Original BT v5.0 and Mic | Wireless Bluetooth in Ear Neckband Headphones with Mic | Quick Charge, Magnetic Earbuds for Tangle Free Carrying, BT ver 5.0,Work from home, In-Ear Bluetooth Headset with mic for phone calls | 13mm Drivers, Punchy Bass, Fast Charging- 40 Hours Playtime Back Up, Black , COLOUR VARY, KC11