sterero headphone 22i

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Specification 1.Speaker diameter:Ф40mm 2.Impedance :32Ω 3.Sensitivity:115dB±5dB/1KHz 4.Frequency response:20HZ-20,000HZ 5.Rated power:50mw 6.Max power:100mw 7.Audio cable:1.3m, Ф3.5mm stereo 8.Battery :300mAh 9.Standby time:70 hours 10.Working time: 15 hours continuously 1.built-in low power dissipation audio amplifying circuit, which can improve timbre and enhance low-frequency gain. 2.with clarity timbre, and transparent sound. 3.built-in rechargeable high capacity lithium battery, which last long standby time. 4.include a audio cable, which can connect to other device which with audio ouput(such as Mp3, Mp4, MID, Computer, mobile phone etc). 5.comfortable and easy to operate. 6.Ultra-soft padding and lightweight adjustable headband provide extreme comfort for long term wear

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shenzhen dongzhili electronic co.,ltd

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