Bluetooth Version is : 3.0 for bluetooth headphones
Bluetooth Profile Supported: HSP HFP A2DP
You can pick up phone call or reject phone call via press button
Headphone Battery Capacity : 300mah
Music Time : 2-3Hours after full charge
Pairs From Up To 30 Feet Away
Charging time : 1.5-2 Hours
Bluetooth V5.0 and high-sensitivity antenna support, providing true Hi-Fi sound, natural and realistic sound performance, Bluetooth version 5.0 can be paired faster, more stable connection, Bluetooth distance up to 15M