Air 31 Earbuds Product Details: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
