Description: With noise cancellation and stereo sound design, the speaker is able to give you wonderful listening enjoyment. The speaker has adjustable touch light and three-degree brightness design, which will be convenient for you to adjust the brightness according to your needs. Made of high quality ABS, it is durable and portable. Its length is 9cm, width is 9cm, and height is 15cm. It is suitable for sports, walking, and other activities. Item Name: Bluetooth Speaker Material:ABS Batteries: 3.7V/1200mAh (Included) Rated Voltage: DC3.7V Interface Type: Micro USB Battery Capacity: 1200mAh (Included) Color: White Bluetooth Protocol Support: A2DP/AVRCP/HSP Transmission Distance: 8-10m Working Frequency: 2.4GHZ Bluetooth Version: V5.0 Signal to Noise Ratio: More than 86dB Distortion: ≤1percent Maximum Output Power: 5W Vocal Tract System: 5W Horn Specifications: 52mm4q Size:9cmx9cmx15cm/3.54inx3.54inx5.91in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X User Manual 1 X Audio Cable 1 X Charging Cable 1 X Speaker