I purchased this on the 4th, it comes with a 7-day replacement guarantee and a 3-month official warranty. Cash memo is available.
Model: MMJ19
Bluetooth Version: 5.4
Battery Capacity: 1200mAh
Play/Talk Time: Up to 200 hours
Standby Time: 1000 hours
Charging Time: About 4 hours
Transmission Range: 2.4–2.48GHz
Audio Profiles: A2DP, AVRCP, HSP, HFP
Charging Voltage: DC 5V
Cable Length: 87cm
Material: Flexible, skin-friendly build