HIFY Single bluetooth headset best for calling with long battery life Bluetooth  (Black, True Wireless)

Single Wireless Bluetooth Headset with Mic and 1 Hour Fast Charging for 8 Hour playing time and Large Capacity Battery. Comfortable And Adjustable: 180°Adjustable Earbud Fits Perfectly For Your Left Or Right Ear, Bringing You Perfect Wearing Experience. You Can Adjust The Angle Of This Wireless Bluetooth Earbud/Headset To Fit Your Ears Better.Ultra Light Weight(Only 15g) Does Not Cause Any Burden To Your Ears, It’S Comfortable For Long Time Wearing. Professional Business/ Sports Style: With Stylish Hook Design, Bluetooth Headset Bring You Professional Business/Sports Experience, You Will Never Worry About The Earbud/Headset Will Drop Out Of Your Ears With The Hook. Wide range of application: It supports all the Bluetooth devices, such as laptops, tablets, Smart phones. Adjustable ear hook for comfort: The user friendly 180° rotatable ear hook design can be adjusted to an appropriate angle according to the user's ear shape for complete comfort.