Colour: BlackMaterial: ABSPerformance: TWS Bluetooth HeadsetApplicable models: Suitable for all mobile phones and smart devices with Bluetooth functionBluetooth version: 5.0Protocol mode: A2DP, AVRCP, HSP, HFPBluetooth solution: JerryEffective distance: 10m (accessible)Microphone: withBinaural pairing method: automatic pairing after bootingDecoding: support A2DP decodingSensitivity: 42dbDistortion: ±5%Speaker specifications: 6mmPairing name: A7S/E7SBattery capacity: earphone 45mAH, charging compartment: 300mAHHeadphone music time: 4 hours (depending on volume)Headphone talk time: 3 hours (depending on the volume)Headphone charging time: 1 hourBattery compartment charging interface: micro USBSpecifications:Wireless Bluetooth headphones, deliver a high quality audio listening experience with clarity, and a smooth bass response for 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 hours of play back time and super long standby time.Built in microphone allows these headphones to act as a headset for hands free calling with mobile devicesPackage Included:1 x headset1 x USB charging cable