Swiss Military Air Conduction Wireless Stereo- Delta4 Earbuds Pink

Music Time: 5Hrs
Frequency response: 20Hz-20Khz
Drive Type: Dynamic
Speaker impedance: 16Ω±15%
Speaker rated power: 5mW
Max rated power: 8mW
SPL:108±3DB (at1KHz)
SNR:>90DB
Microphone sensitivity:-42±2dB
Distortion rate:≤7%
Earbuds battery type: Li-ion battery 35mAh x 2
Total Music time: 5Hrs
Talking time:3 Hrs
Charging base input: DC 5V/200mA
Full charging time: 1.5Hrs