Description
product gross weight: 0.15 kg volume 11.0 cm * 5.0 cm * 20.0 cm transmission range: 10 meters function: support music, power display, call function bluetooth protocol: 4.2 channel: stereo how to use: head-mounted whether single or both ears: bilateral stereo applicable gifts occasions: advertising promotions, business gifts, festivals, housewarming, birthdays, trade fairs, anniversary celebrations, opening ceremony, employee benefits color: black, yellow, blue, red, gray packing: 10 pieces / bag
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