Product function: Call function/Bluetooth link/Clock/TF play/Temperature display/FM Radio Bluetooth version: 5.1 Play format: A2DP/AVRCP/HFP/HSP Speaker specifications: 52 caliber 16 cores Distortion rate: THD Less than 5% Frequency Response: 20-16KHz Power supply mode: charging Charging parameters: 5V 1000MA Battery capacity: 1400mAh Product size: 87x87x53mm Product net weight: 280g (single weight 256g) color:Pink Material:plastic Package Contents: 1 x Bluetooth Speaker Clock 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.