New Private Mode F7 True Wireless Ear In Ear Stereo Multi-function Four In Bluetooth Headset Features: New design, fashionable technology, powerful fan, comfortable experience , Delicate design, turn on the fan, push the other side and take out the earphone . function and powerful experience of calling with two ears , Fingerprint saves call music . Fingerprint intelligent Joyful Bluetooth 5.0 thousand yuan sound effect shock stereo sound . DPS high-definition noise reduction call Better sound transmission system and intelligent noise reduction design effectively external noise during call . There is no limit to listening to music in the large capacity charging compartment 5 hours of listening to music 6 hours of talking 50 hours of standby . Wearing comfortable high-definition call without dropping the fingerprint , no buttons bring discomfort to the ear, intelligent noise reduction, chat, comfortable in ear design, fit the ear canal, and sports can not be thrown off. PX7, and sweat proof materials are made of high-purity nanomaterials, which are closely designed in multiple processes to provide all-round protection for the earphones. No matter rain or sweat, they can be well, allowing music to accompany you to sprinkle sweat. Product Description: Bluetooth version: V5.0+EDR Wireless frequency: 24GHz Support protocol: A2DP13/HFP16/HSP12/ARCP16/013 Transmission distance: 10m Horn impedance: q8MM? three hundred and twenty-nine Input voltage/current: 5V/1A Output voltage/current: 5v/2A SIZE:15.8*4.8*4.8CM / 6.22*1.88*1.88inch Package Content: Headset * 2, Charging chamber * 1, Charging cable * 1, Ear cap * 4, Lanyard * 1, Chinese and English instructions * 1 Notes: Due to the different effect between the photo and the real, the actual color of the may be slightly different from the color shown in the picture. thank you Due to manual measurement, please allow slight measurement deviation.