OverviewWireless Bluetooth headphones, deliver a high-quality audio listening experience with clarity, and smooth bass response for the enjoyment of all styles of music.Lightweight and great for sports, walking, running, or a favorite activity.Bluetooth 5.0, energy saving, improved data transfer, and less interference.Long-Lasting Rechargeable Battery, up to 4-6 hours of playback time and super long standby time.Built-in microphone allows these headphones to act as a headset for hands-free calling with mobile devices.Specifications:Material: ABSPerformance: TWS Bluetooth headset, pick up automatic boot pairing, digital displayApplicable models: Suitable for all mobile phones and smart devices with Bluetooth functionBluetooth version: 5.0 EDRProtocol mode: A2DP, AVRCP, HSP, HFPPrompt tone: EnglishEffective distance: 10m (accessible)Microphone: withBinocular pairing mode: automatic pairing after bootingHorn diameter: 10mmImpedance: 32Sensitivity: 95dbDistortion: 5%Battery capacity: Headphones 45mAH, charging compartment: 400mAHHeadphones music time: 3-5 hoursBattery compartment charging interface: micro USBButton function: pause/play, connect/hang/call, music switch (music mode double-click button twice)Single ear weight: 4gPackage Content:2 * Bluetooth headset; 1 * battery compartment;1 * USB cable; 1 * Chinese and English manual.