Product Name: Retro Bluetooth Speaker
Play Time: 2-3 hours
Speaker: 3W, Frequency Response 50Hz-20kHz
Battery: 3.7V 400mAh, SNR ?90dB
Acceptance Distance: 10 meters
Product Net Weight / Gross Weight: 190g / 230g
Charging Time: 2-3 hours
Product Size: 9.5 x 5 x 7 cm
Support Function: Bluetooth / U Disk / TF Card / Audio Output
Bluetooth Version: 4.1