Color: Black.
Material: ABS
Interface: USB, TF card slot, SD/MMC card slot, headphone, auxiliary, charging port
Power Supply: DC 5V
Output Power: 3W
Frequency Response: 200Hz-20KHz
FM frequency: 87.5MHz-108MHz
SNR: ≥80dB
Impedance: 4 ohms (Ω)
Output: 3.7V~4.2V+0.05V
Input Voltage: 5V
Lithium ion battery: 800 mAh.
Size: Approx. 4.9 x 1.4 x 2.9 inches (125 x 36 x 73.5 mm).
Compatible with most mobile phones, tablets, laptops, MP3, MP4, etc.
Package Weight: Approx. 8.1 oz (234 g).