Bluetooth Audio Adapter, USB & Optical Fiber Input/Output, Wireless Receiver/Transmitter

Equipped with a high-definition OLED screen, the device clearly displays operating status and mode parameters. During Bluetooth connection, it shows available pairing devices for easy selection and seamless pairing. It also displays song information for an enhanced audio experience. Supports both optical and AUX input/output interfaces, enabling connection to TVs, computers, speakers, and amplifiers. Plug-and-play operation—no drivers required. Easily upgrades active speakers to Bluetooth-enabled speakers. Supports simultaneous connection of two mobile phones or tablets for seamless audio switching and stereo sound. TX transmission mode: Adds Bluetooth functionality to older TVs, allowing simultaneous connection of two Bluetooth headphones or speakers for low-latency, smooth audio playback. Dual transmit/receive mode: Enables connection of two mobile phones, ensuring uninterrupted music playback when switching between devices. Product Name: Wireless Audio Receiver/Transmitter Product Model: M23 Pro Bluetooth Protocol: A2DP / AVRCP / HSP / HFP Bluetooth Version: 5.2 Power Supply: USB-C interface; supports charging while in use Battery Capacity: 1200 mAh, 3.7 V lithium polymer battery (4.44 Wh) Charging Input: 5 V / 2.1 A Battery Life: Up to 38 hours in receiver mode / up to 42 hours in transmitter mode Audio Interfaces: AUX (input/output), Optical (input/output) Transmission Range: Up to 30 meters (unobstructed environment) Audio Codecs: SBC, AAC