Specifications:
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<br />Charging time: about 2 hours
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<br />Bluetooth profiles: A2DP, AVRCP, HSP, HFP
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<br />Impedance: 16 
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<br />Frequency response: 20Hz-20kHz
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<br />Sensitivity: 110dB
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<br />Bluetooth Version: V4.1
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<br />Frequency range: 2.4GHz-2.48GHz
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<br />Operating distance: up to 10m (free space)
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<br />Music playtime: up to 40 hours
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<br />Talk time: up to 45 hours
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<br />Standby time: up to 1625 hours
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<br />Distortion:<0.1%(THD)
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<br />Operational temperature: -10 to 50°C
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<br />Color: Black, White, Blue, Red
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<br />Item size: 18.5 * 17.5 * 8.0 cm / 7.28* 6.88 * 3.14in
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<br />Condition: Brand New
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<br />Package Included: 1 * Headset,1 * Audio Cable,1 * USB Cable<p> <b><b><img src="https://contestimg.wish.com/api/webimage/57149dba61d6cf6e9c0b4a06-large.jpg"><img src="https://contestimg.wish.com/api/webimage/57149dba61d6cf6e9c0b4a06-1-large.jpg"><img src="https://contestimg.wish.com/api/webimage/57149dba61d6cf6e9c0b4a06-2-large.jpg"><img src="https://contestimg.wish.com/api/webimage/57149dba61d6cf6e9c0b4a06-3-large.jpg"><img src="https://contestimg.wish.com/api/webimage/57149dba61d6cf6e9c0b4a06-4-large.jpg></b></b></p>