Description:1.Build in Charging base for earphone mobile phone.2.Cool led screen show bluetooth LED display will be very clear about the power level of the charging box and the earphone, so that you can better arrange the future management of the headset, and will not worry about the earplugs without electricity.3.Chip upgrade： Upgrade the 5.0 Bluetooth chip, Pick up the automatic boot and matching. CVC 8.0 intelligent noise redution,Enjoy HD call effects without being affected by noisy environment.4.IPX7 waterproof and 9D bass ： Daily life waterproof, support rainy outdoor sports, gym sweating, let you enjoy music in sports.Enjoy the HIFI scene and enjoy the immersive 9D stereo surround sound effect5.Life waterproof, not afraid of sweat when you're exercising.Specification:Material: ABSPerformance: TWS Bluetooth HeadsetApplicable models: Suitable for all mobile phones and smart devices with Bluetooth functionBluetooth version: 5.0 EDRPrompt tone: EnglishEffective distance: 10m (accessible)Noise reduction version: CVC8.0Microphone: WithBinaural pairing method: Automatic pairingHorn diameter: 8mmImpedance: 32ΩSensitivity: 42dbDistortion: ±5%Waterproof rating: IPX7Headphone usage time: 4-6 hours (depending on volume)Headphone charging time: 1 hourcompartment charging interface: micro USBUSB output: 5V 1ASingle ear weight: 3gProduct size: Headphones 1.7*2.9*2.1cmcompartment 3.5x4.8x9.2cmPackage Includes:1x F9 TWS Bluetooth Headphones1x USB cable1x English manual