New Wireless Bluetooth Headset Sports Running In-ear Headphones Noise Cancellation Features: The unique charging compartment is lightweight, comfortable, compact and exquisite, not as headphones, but also as trendy accessory. Large 13mm speaker with built-in large 13mm diaphragm unit delivers layered sound that strikes you right in the gut with its abundant and excellent detail reproduction. new generation of call noise reduction algorithm, adapted to multi-scene call noise reduction, real- weakening of environmental noise interference, further enhancement of the human voice, improve voice definition, so that you can chat in clear way. With the new generation of low-power wireless 5.4 chip, fast connection speed and stable, you don't have to worry about intermittent and calls anymore. No need to worry about intermittent and calls. Simply open the headset cover, pull out the headset, and it automatically connects to the matching device for instant listening to great. Product Description: Playback time: 8-10 hours Headphone charging time:about 1 hour Charging for charging compartment:about 1.5 hours Headphone Battery Capacity:45mAh Charging compartment capacity:300mAh Bluetooth headset distance:10 metres Package list: 1*Earphone 1*Data Cable 1*Manual