EQ2 Thought, TWS headset, BT v5.3, charging case battery 320mAh, headset battery 35mAh, 7 hours of use and 180 hours of standby 1. BT version: v5.3. Chip: JL AC6983D2.2. Supported protocols: Headset, Hands-free, A2DP, AVRCP.3. ...