6.
0 ounces Zummy Bluetooth Earbuds Stereo Sports Wireless Headphones around the ear Red Noise Cancelling: No Condition: New Headphone Connection: True Wireless Dimensions: 2. Specification: Item Type: Bluetooth Sport Earphones Color: Black Chip: CSR Battery: 90mAh Charging Time: 1-2Hour Music Playback Time: 4-5 Hours Talk Time: 4-5 Hours Standby Time: Up to 240 Hours Transmission distance: 15-20 meters barrier-free Zummy Bluetooth Earbuds Stereo Sports Wireless Headphones around the ear Black Noise Cancelling: No Condition: New Headphone Connection: True Wireless Dimensions: 2.