Report Item1. Bluetooth version: Bluetooth V5.32. Speaker specifications: 8 ohm electric 0916 speaker3. Transmission distance (barrier-free): 10m4. Battery specifications: 80mAh battery with protective plate5. Charging time: about 3 hours6. Playing time: about 7 H7. Standby time: about 80 hoursProduct specificationsProduct model: TWS-F open directional audio smart glassesFrame color: blackFrame material: TR90/mixed materialLens material: PC/UV400Wireless version: V5.3Charging time: about 120 minutesBattery capacity: 80mAH (typical value)Charging voltage and current: DC5VSupported modes: HFP/HSP/A2DP/AVRCP Channel: dual speakers, stereoPacking list:Glasses*1, User manual*1