Kugou M1 Sports Bluetooth Headset Wireless Earbuds Earpiece Bluetooth Stereo HD Headphone Auriculares Earphones With Microphone

Product Specifications
Bluetooth version: Bluetooth 4.1
Supported protocols: A2DP / AVRCP / HFP / HSP
Stereo audio: APT-X
Communication distance: 10m
Noise Reduction: CVC noise reduction
Music Duration: about 10h
Call duration: about 10h
Standby time: about 180h
Charging time: about 2h
Battery type: Lithium-ion battery (3.7v 120mAh)
Speaker unit: 6mm dynamic speaker
Frequency response: 20Hz-20kHz

Products include:
1 * bluetooth headset
1 * ears hang
2 * earmuffs
1 * charging line
1 * box