• Wireless Type: Bluetooth EDR (both sides), Ultra Low Consumption• Bluetooth Version: V5.3• Bluetooth Mode: A2DP 1.3/HFP 1.6/HSP 1.2/AVRCP 1.6/D 11.3• Frequency: 2.4 GHz• Transmission Distance: About 15 – 25 m• Package Dimensions ?13 x 9.5 x 3.5 cm; 150 g• Package Includes: 1 x Air 31 Earbuds• Note: Please ensure to follow the instructions provided in the user manual for proper usage and safety precautions.
