Please include the specifications of the order product when filling up your order. On the lower part portion of product image, then click "add note" to specify your prefer color, memory and specification.
(ex. Vivo V15, 128gb, 6gb RAM, Coral Red) (ex. BT HF PRO SY BT1607, Red) 
 
✅  Input 5v-800Ma 
✅ Output 5v-1a
✅ Dimension: 29*30*138mm
✅ MAH Charger
✅ Portable Speaker
✅ Smart Phone Stand
 
SPECIFICATIONS
Product size: 29*137*29mm
Speaker Output Power: 2W
Frequency range: 200-20000Hz
Sensitivity: 90db
Resistance: 4ohms
Battery capacity: 4000mAh
USB input voltage: 5V
USB input current: 800mA
USB output voltage: 5V
USB output current: 1000mA