Alloy baking paint charging case + metal texture earbuds add color to lifeFeatures:1.Open wireless earbuds charging case to automatically boot and connect to the phoneautomatically shut down and charge when put earbuds into the charge caseeasy to use.2.After many time of adjustments by a professional tuning team，the interpretation of the human voice in the mid and high frequencies is enhanced.The stereo HiFi sound effect allows you to sing on the scene and output the original sound with high fidelity.3.Fully charged wireless TWS earbud can last for 4-5 hourswith a 250mah battery charging case last for long time.4.It can accurately identify and effectively suppress external noise during a callwith clear voice even in a noisy environmentmake your call smooth.Product Specification:Type: TWS Wireless EarbudsColor: Red/Blue with LED Power Display (optional)Noise canceling function: SupportTransmission distance: About 10m/380ft(barrier-free)Play time: About 4-5 hours(According to the volume)Battery capacity: 250mAhCharging port: USB CWaterprof :IPX6package:1 Pair Wireless Earbuds1 * Earbuds charging case1 * USB C cable1 * User manual1 * Exquisite packaging box