2-In-1 Bluetooth 5.4 Audio Adapter TransmitterReceiver 3.5mm AUX For CarTVHeadphones 1. 2-in-1 Bluetooth 5.4 Audio Adapter (3.5mm AUX): A compact wireless transmitterreceiver with one-touch mode switching, designed to upgrade wired speakers, headphones, or car stereos to Bluetooth compatibility. 2. Dual-Mode Flexibility: --RX Mode: Connect to non-Bluetooth speakers to receive audio from phonestablets. --TX Mode: Transmit audio from TVsPCs to Bluetooth headphonesspeakers. 3. CD-Quality Sound & Stable Range: Bluetooth 5.4 ensures lossless audio transmission (up to 15m in open areas) with minimal latency for moviesgaming. 4. 180mAh Rechargeable Battery: Provides up to 10h in RX mode 6h in TX mode. Fully charges in 1.5 hours via USB-C. 5. Universal 3.5mm Compatibility: Works with cars, home stereos, gaming consoles, and older audio systems. Pocket-sized for on-the-go use. Parameters: 1. Material: ABS 2. Bluetooth version: V5.4 3. Input power: DC 5V 4. Charging interface: Type-C 5. Product plug: 3.5mm AUX 6. Dimensions: 100 x 22 x 13mm