Here's the Mini TWS True Wireless Bluetooth Stereo In-Ear Earphones Earbuds Headset. best quality and cheap price in Mario Technology.
Regular version and Mini version,more smaller and portable.
TWS wireless bluetooth Earphones
BT Wireless Version:V4.2 + EDR
Speaker impedance:32 Ω
Charging station Bettery:950MAH
Playing time:2-3 hours
Charging time:1-2 hours
Standby time:100 hours
Supports OS:iOS, Android,WIN