With advanced BT technology,the wireless earbuds offer easy pairing,faster transmission speed,more stable connection and lower power consumption.Clear and stereo sound quality and shock bass are delivered with noise reduction technology.Long lasting battery life ensures adequate time for use.You can see the battery power and charging status clearly with the LED-digital display and enjoy great wear comfort with skin-friendly material.Besides,there are more practical functions waiting for you such asbinaural separation design,IPX7 waterproof,etc.You will like it.Features:BT 5.0 Technology.Adopting the most advanced BT 5.0 technology,the earbuds provide one-step pairing,faster transmission speed,more stable connection and lower power consumption.9D Stereo Sound Quality.F9-10 offers a stereo and powerful deep bass with nuclear moving-coil speaker. CVC8.0 noise reduction technology reduces ambient noise and provides clear voice,which allows you to enjoy immersive sound even in the noisy environment.Large Capacity Charging Box.Equipped with 2000mAh portable rechargeable charging case,it provides cumulative up to 220-hour playtime and 180-hour call time (with charging box) after a single full charge.LED-Digital Display & Comfortable Wear.Three LED-digital screen with indicators shows clearly the battery charging status and power of each earphone and charging box.Made of skin-friendly material with ergonomic design,the earphones fit well the ear canal and reduce ears pressure,ensuring in-ear wear comfort.CD Pattern Fingerprint-Touch & HD Call.Designed as CD pattern,the touch-key is creative and fashionable.Wake Siri with one-touch and both volume and music control can be done easily.And you can also enjoy HD calls with built-in microphone.More Practical Features.Binaural separation design supports connecting with 2 devices separately.IPX7 allows you to deal with daily water activities easily and enjoy sports freely.Universal Compatibility.Widely compatible with iOS,Android and Windows systems.Specifications:Model:F9-10Material:ABSColor:BlackBT:V5.0Earbuds Battery Capacity:50mAhCharging Box Battery Capacity:2000mAhInput:5V/1.5AOutput:5V/200maWorking Distance:10mCall Time:4-5HMusic Time:4-5HCharging Time:1-2HSensitivity: 120dBWaterproof:IPX7Impedance Range: up to 32Resistance:32Frequency Response Range: 20-20000HzSupport System:Android/iOS/WindowsItem Weight:76g/2.7ozPackage Size:14.3*10.2*3.9cm/5.6*4*1.5inPackage Weight:111g/3.9ozPackage List:1*Wireless Earphones1*Charging Box4*Earplug Silicone Caps1*Charging Cable1*User Manual