Product details NON EAR PLUG DESIGN - 2019 upgraded headphone version is the Ear-hook design, not in-ear, free from eardrum damage. Only weight for 8g and easy to carry, suit for all peoples, do not f more→all when running. withglasses is ok. With Built-in microphone is for Hands-free calling. FAST CHARGING - Built-in high performance lithium battery, 10 hours continuous answer phone, 3-5 hours music playing time, 20 days standby time, 1.5 hours quick charge. SPEAKER UNIT IS EXTERNAL - Loudspeaker close to the ear but it is not inside the ear, will not plug block the ear canal. Listening to the surrounding environment during a call or music, Safer on the road or in some scenes and more portablefor …
