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