Communication business Bluetooth headset
$47.22
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Bluetooth version: 5.0 Frequency range: 2.4GHz- -2.48GHz Support protocol: A2DP, AVRCP, HSP, HFP Frequency response range: 20Hz-20KHz Standby time: about 1000 hours Music/talk time: about 5-6 hours Charging time: earphone about 1 hour, charging box about 2 hours Input voltage/current: 5V/> 1 00mA Output power: 7mW+ 7mW
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