T88 True Wireless Stereo Bluetooth Earphone
Bluetooth 5.0 Version, Airoha Chip 1526P
Size: headset :40x15x20mm.
Charging bin: 53 x53x30mm
Net weight: 55 g
Power input :DC 5V.
Battery capacity: 3.7v,45mAh.
Charging box: 3.7 V, 450 mah
Use time :3 hours.
Charging time: about 1 hour.
Support protocol :A2DP/HFP/HSP/AVRCP.
Receiving sensitivity: -92dbm.
Working temperature: - 10 ~ 50 ℃
Connection distance: 15 meters

Main material :ABS fireproof plastic.