Highlights: *1. Material: plastic *2. Bluetooth version: 5.0 *3. Supporting protocols: A2DP, AVRCP, HFP, SPP HID *4. Receiving working current: ≤ 43mA *5. Launch working current: ≤ 60mA *6. Standby current:<18mA *7. Built-in battery: polymer 600mAH *8. Charging current: 300mA *9. Operating time: >8H *10. Bluetooth distance: >10 m (empty place) *11. Charging mode: Micro USB 5V/0.5A *12. Output connection mode: 3.5 mm stereo interface *13. Input connection mode: 3.5 mm stereo interface *14. Compatible: Android, IOS system phone and PAD, and all Bluetooth audio devices, audio devices with audio input interface *15. Size: 9.8*5.8*1.3 cm Product Description: *1. Support audio equipment with audio input for wireless audio reception and transmission *2. Support automatic search for connecting Bluetooth devices to achieve wireless audio transmission *3. Built-in AEC cancellation and ANC noise cancellation circuit, gorgeous stereo, more pure sound quality *4. Built-in enhanced signal transmission circuit, connecting faster and more stable *5. Compatible with dual lossless audio format *6. Support AUX OUT, Earphone *7. Automatic memory connection function, easier to operate, more convenient to connect *8. The product connection is simple, without any cumbersome driving and downloading APP What’s in the box: 2-in-1 Bluetooth adapter *1 1-to-2 audio wire *1 3.5 mm audio wire *1 Micro USB power cable *1 manual *1 Weight: 0.3 SKU: 200810125419