Specifications: _x005f_x000D_ Bluetooth-compatible: Bluetooth-compatible 2.1+EDR _x005f_x000D_ Chip solution: BTRDA program _x005f_x000D_ Output mode: 3.5mm audio interface _x005f_x000D_ Frequency band: 44.1KHz / audio interface _x005f_x000D_ Receiving distance: 5-10m _x005f_x000D_ Interface: USB/AUX3.5mm _x005f_x000D_ Standard accessories: 3.5mm audio cable _x005f_x000D_ Line length: 240mm _x005f_x000D_ Power supply mode: USB power supply 5V1A _x005f_x000D_ Size: 53*21*11mm/2.09*0.83*0.43in _x005f_x000D_ Weight: 7g _x005f_x000D_ _x005f_x000D_ Instructions for use: _x005f_x000D_ Audio cables must be used in this section! _x005f_x000D_ 1. Connect the speakers _x005f_x000D_ In the first way, the speaker does not have a USB interface. _x005f_x000D_ Plug the Bluetooth-compatible flash drive into the charger with a 5V USB port and connect the audio cable to the AUX port _x005f_x000D_ The second way, the speaker has a USB interface _x005f_x000D_ Plug the Bluetooth-compatible flash drive directly into the speaker USB port and connect the audio cable to the AUX port. _x005f_x000D_ 2. Pairing _x005f_x000D_ Turn on the Bluetooth-compatible function of your phone (or computer), search for nearby Bluetooth-compatible devices, search and pair. After the pairing is successful, the indicator light on the Bluetooth-compatible receiver becomes slower! _x005f_x000D_ After the pairing is successful, play the music in the phone. _x005f_x000D_ _x005f_x000D_ Notes: _x005f_x000D_ Please allow 1-3mm differs due to manual measurement. _x005f_x000D_ Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 X Bluetooth-compatible Adapter _x005f_x000D_ 1 X Audio Cable _x005f_x000D_ 1 X Manual