Sports wireless Bluetooth headset with earplug $ 12.66 Article No.: D4 Transmission range: 10M Functions: power display, call function, music support Processing customization: Yes Bluetooth protocol: 4.1 Channel: stereo Usage: ear hanging type Whether one ear or two ears: unilateral handsfree There are authorized private brands: Yes Whether cross-border export is dedicated to the source of goods: Yes Support Customization: support
