Here's the information about the described headphones: Material: Plastic Weight: 10g Built-in Voice Assistant: None Maximum Wireless Range: 10m-20m NFC Technology: None Sound Isolation: None Category: Earphones and Headphones Number of Drivers: 1 Charging Method: Wired Headphone Pad Material: Silicone Impedance Range: Up to 32 ohms Bluetooth Version: 5.0 Package Included: User Manual, Carrying Case, Charging Cable, Replaceable Pad Set Features: With Microphone, Amazon Alexa Support, Apple Siri Support, Dual Connectivity Microphone: Yes Wireless: Yes Support APP: No Memory Card Support: No Waterproof: No Plug Type: Line Function: Monitoring headphones, regular headphones, office, learning Active Noise Reduction: No Volume Control: No Control Button: No Sound Principle: Dynamic Wireless Type: Bluetooth Communication: Wireless Style: Earhook Name: New Bee Talk Time: about 20 hours Music Playback Time: about 24 hours Standby Time: about 180 days Charging Time: about 2 hours Transmission Range: 15m Headphone Function 1: Connect two devices simultaneously Headphone Function 2: Wireless headphones for business, driving, and music listening Headphone Function 3: With dual microphones Headphone Function 4: Suitable for binaural headphones Headphone Function 5: Compatible with all Bluetooth devices Design: Volume up/down, Next/Previous song, Microphone mute, Last number redial Compatibility: Suitable for mobile phones like Xiaomi, Huawei, iPhone, Samsung, and all Bluetooth-enabled phones Charging Port: Type-C Adapter Headphone Feature 6: Microphone Active Digital Signal Processing (DSP) and Windproof Installation Language: English or Russian Color Options: Black, Silver White, Gold