Factory Supply sports neckband bluetooth headphone wireless bluetooth earphone headset
Bluetooth Specification : V4.1+EDR class 2RF Frequency Range: 2.402-...
cool radio earphones ATactical military Neckband Headset for wargame and army Product Description:Powered by 2 x AAA battery Low-Profile Earcups for pro...
high grade neckband Simptech Sound2 sport bluetooth wireless stereo headse
Bluetooth version: V4.0
Bluetooth chip: CSR 8635 +EDRMusic: Up to 12 hoursSupports: HSP, HFP, A2D...
Sports Bluetooth Earphone headset with Neckband style and Microphone:Product description:Stereo Bluetooth HeadsetChipset: ISSC2020 V4&per...