Outdoor Bluetooth Speaker Portable Wireless Mini Bluetooth Speaker

Specification of Bluetooth Speaker from HOLLYSOUND Industry 1 Bluetooth Version V4.0 2 Bluetooth Transmission up to 10 Meters 3 Audio Output 3.0 W x 1 4 Distortion < 0.3% 5 Signal-to Noise > 75dB 6 Frequency Scope 100Hz ~ 20KHz 7 Power Supply Built-in Lithium battery 8 Battery Capacity 600 mAh 9 Battery Charging Voltage 3.7V ~ 5V 10 Working Time 4 hours ~ 7 hours 11 music formate MP3,WMA,APE,WAV,FLAC 12 data transmission 2.1Mbps 13 Control Mode The key control 14 Net weight