Name: Custom Bluetooth Speaker
Material: Environmental protection PVC or silicone
Type of battery: Lithium Polymer (A grade)
Battery capacity: 3.230MAH  3.7V
Speaker: D27MM
Loudspeaker output：2W; 4
Frequency Response：130-20KHZ
SNR：≥85±3DB
Bluetooth Version：4.0 Version
Operation Range：within 10M
Charging voltage：DC 5V
Warranty：12 months
Weight：120~250g
Size：custom