Bluetooth 3.0 Music Beanie Hat Unisex Winter Warm Knitted Cap with Stereo Headphone and Microphone (Black) (Intl)
Product details of Bluetooth 3.0 Music Beanie Hat Unisex Winter Warm Knitted Cap with Stereo Headphone and Microphone (Black) (Intl) Specifications: Bluetooth: CSR V3.0 Charging time: 1-2 hours Working time: 3-4 hours Transmission distance:10M or so Hat Size: One size fits most, approx 21*23.5cm (el...