ZISONIX Bluetooth 5.0 Adapter 2 in 1 Bluetooth Audio Transmitter Receiver 1. Support Audio Devices with Audio Input: Receive and transfer audio wirelessly. 2. Support automatic search to connect Bluetooth devices: realize wireless audio transmission. 3. Built-in AEC echo reduction and ANC noise reduction circuit: superb stereo, the sound quality is purer and more beautiful. 4. Built-in upgraded signal transmission circuit: fast and stable connection, continuous sound. 5. Compatible: Dual format lossless audio 6. Support: AUX OUT, Earphone 7. Automatic memory connection function: easier operation and more convenient connection. 8. Built-in battery: long service life. 9. Bluetooth 2.1: low power consumption. 10. True voice message: simple and clear operation. 11. Smart compatibility: Android, iOS system mobile phone and PAD as well as all Bluetooth audio devices. 12. Holder: connect 1 mobile phone. 13. Easy connection of the product: no complicated driver and download the app. Specifications: Supported protocols: A2DP, AVRCP, HFP, SPP HID. Working current: ≤43mA Emission current: ≤60mA Standby current: 18mA Bluetooth distance: 10m (open space) Charging method: Micro USB 5V/0.5A Output Port: 3.5mm Stereo Interface Input connection method: 3.5mm stereo interface Compatible with: Android, iOS and PAD mobile phone as well as all Bluetooth audio devices, audio devices with audio input interface. Product Features: Host dimensions: 10 x 5.8 x 1.2 cm. Host weight: 40 g. Package size: 13 x 7 3.5 cm. Total weight: 107g Package Included: 1 x B6 Bluetooth Adapter 1 x 1 to 2 Audio Cable 1 x 3.5mm Audio Cable 1 x Micro USB Cable 1 x user manual (English language not guaranteed)