Communication: Wireless Style: In-ear Function: Microphone, LED Display Use: Mobile Phone, HiFi Headphone, Gaming, Audiophile Waterproof Standard: IPX-4 Vocalism Principle: Dynamic Volume Control: Yes Wireless delay time: 51-60 ms Battery Indicator: Digital Display Place of Origin: China Model Number: K80 Active Noise-Cancellation: NO Cord Length: Wireless Codecs: APT-X Private Mold: Private Mold Chipset: Others Product Name: K80 TWS Earphones Keyword: Headphone with Charging Case Colors: Black Feature: Perfect Sound, Gaming Earphones Style: Music Gaming Earphones Type: In-ear Earbuds Material: PC+ABS Support: IOS &Android Version：V5.2 Noise Reduction Verision:CVC8.0 Working Distance:Within 10 meters Charging Bank Capacity:300mAh Support:Automatic Matching Standby:About 220 hours Playing/Talking Time:About 4 - 5 hours Bank Input Current:5V 1A Display:LED Display