Here is a summary of the key information for the **Audio-Technica ATH-M20xBT Wireless Over-Ear Headphones**:
**Core Features & Specifications:**
* **Type:** Wireless Bluetooth over-ear headphones (closed-back).
* **Key Driver Tech:** 40mm dynamic drivers with rare-earth magnets and copper-clad aluminum wire voice coils for "full-range, hi-fi audio reproduction."
* **Frequency Response:** 50Hz - 20kHz.
* **Impedance:** 36Ω.
* **Connectivity:** Bluetooth 5.0 with AAC & SBC codecs. Includes a 3.5mm audio cable for wired use.
* **Battery Life:** Up to 60 hours. Features a quick charge function (10 minutes = 3 hours of playback).
* **Microphone:** Built-in mic for hands-free calls.
* **Design:** Foldable, with soft noise-isolating earcups and a comfortable padded headband. Weight: 216g.
* **Additional Features:** Low-latency mode for audio/video sync, Bluetooth multipoint (pair to 2 devices simultaneously).
**Performance & Use Case:**
* **Best For:** According to provided scores, they are best suited for **studio use (74/100)** and **music listening (72.2/100)**. They are less ideal for **gaming (59/100)**.
* **Weakest Area:** **Call quality (43.3/100)**.
* **Overall Reception:** High customer rating of **4.5/5** based on 28 reviews.
**Positioning & Description:**
This model is the wireless version of Audio-Technica's entry-level M-Series studio headphones. It is designed to offer the core Audio-Technica sound profile with the convenience of Bluetooth, making them suitable for use both inside and outside the studio. They are marketed as an accessible option for both professionals and music fans.
**Retailer Notes Summary:**
The product highlights include all the core specs, plus the low-latency mode, multipoint connectivity, included audio cable, quick charge, and comfortable design.