Headphone
Bluetooth Series
KOGI-K4
Technology Standard: Blue tooth 3.0+EDR
Transmission Distance: Line of sight approx..10m(30ft)
Wireless Frequency: 2.402 to 2.480GHz ISM band
FM frequency response: 87.5-108MHz
Music format: MP3/WMA
Type: Stereo headphone with MIC
Sensitivity: 85db+/-3db
Continuous Playing Music: 8h
Conversation Time: 5-6 h
Audio Output: 4Ω-0.5W Hi-Fi 40mm Speaker
Battery:3.7V 400mA
Charging time:2-3 H