Z4 Bluetooth Speakers Portable Mini Wireless Super Bass FM Car Radio Speaker

Specifications:
Color: Blue/green/orange/red/silver grey
Material: Plastic
Size: 19 * 7 * 3.5 cm
Charging interface: Micro USB interface
Battery: Built-in lithium battery
Battery capacity: 3.7 V 1000 mAh
Working voltage: DC 5V
Working hours: 3.5 h (Full recharge condition)
The charging time: 2.5-3.5 h
Output power: 3W*2（RMS）
Bluetooth version: 3.0 + EDR
Range: About 10 m
FM frequency response range: 87.5-108 MHZ
Frequency response range: 100 hz - 16 KHZ
Signal to noise ratio: ≥75dB
The distortion rate: < 1%
Jack: TF/USB/AUX
Main functions: Phone, FM radio, bluetooth speakers, TF card extend storage (32GB), etc