Headset Sumec Usb Light-emitting Game Computer Head Mounted Subwoofer with Microphone

AU-D41 4 Way Digital Audio Switcher

product specification: ​1.model:f9 wireless headphones 2.bluetooth specification:v5.0 3.bluetooth profile:a2dp,avrcp, hfp;hsp 4.frequency band range:2.402 ~ 2.480 5.working voltage:3.2v~4.2v 6charging voltage:5v-1a 7.battery capacity of the headset: 50mah 8.battery capacity of the storage box:350mah 9.transmission distance:>10m

Features: * Lightweight in-ear headphone provides natural clear sound and super enhanced bass. * Noise Isolating in-ear design blocks ambient noise to help you focus on listening pleasure. * Built-in microphone enables you to make and answer calls hands-free while doing sports. * Tangle-free cable with 3.5mm universal earphone jack is suitable for 3.5mm audio devices. * You don't have to worry about running out of power, give you unlimited wired listening.

Features: Professional VHF wireless handheld microphone system. 4 different frequencies(740.2MHz, 759.1MHz, 745.1MHz, 758.2MHz). High sensitivity, super clear sound, great anti-interference capability. Effective working range up to 30m / 100ft in open-area. Standard XLR balanced and 1/4 mixed output interface. With volume adjusting knobs for 4 channels separately. The mic run on 2 * AA batteries(not included), and the receiver powered by power adapter(110-240V). Comes with a 1/4 audio cable. Perfect for stages, ballrooms Karaoke, families party, meeting, as well as for giving a speech, presentation, public address.

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