Net Weight: 217g

SNR: ≥85db
THD: ＜1%

Impedance: 32Ω
USB Port: USB2.0
Support format: MP3

Driver unit: Φ40mm

Charging time: 3 hours

Support Capacity:≤16G
FM frequency range: 87.5MHZ-108MHZ
Frequency response: 20Hz-20KHz
Power supply: 3.7V 400MAH Rechargeable Li battery
Working time: 6 Hours (Based on the volume at 1/3 level)

FM Radio: It can receive the high quality of stereo broadcasting (87.5-108MHz)
Wired Headphone: It can connect with computer when listen the music
FM Radio.
Wired Headphone.
Micro SD card music headphone: It can Play with SD card format and audio files, No need to connect any cable and just simply insert the Micro SD card, You can play. your favorite music.
Rechargeable Li Battery: Lithium battery can continuously use for eight hours.