Specifications:

General Specification
Brand Name QCY
Model Number QY25
Color Black
Wearing Type In-ear
Dimensions (mm) 55.2*18*8.1mm
Technical Parameters
Microphone Yes
Wired Control Support
Bluetooth Version V4.1
Bluetooth Protocol HFP/A2DP/HSP/AVRCP
Bluetooth Chip CSR8645
Transmission Distance 10m
Sensitivity 99dB
Battery Capacity 100mAh
Charging Time (h) 1-2h
Music Time(h) 5-9h
Function Answer, play/pause music, mute, noise canceling
Package Included:

QCY QY25 Sport Music Neckband Wireless Bluetooth Earphone Headphone With Vibration Function 1* QCY QY26 Bluetooth Neckband Earphone
1* Micro USB Charging Cable
3* Pairs Earmuffs
1* Manual