Bluetooth V5.0 headphone 10m wireless working range (without obstacles) 200mAh Battery brings 3-4H play time Charging via Micro USB connection (DC5V-150mA) Enables Bluetooth, Micro SD, AUX, FM Functions Multimedia controllers and a button to answer calls Profiles supported: HFP/HSP/A2DP/AVRCP Product size: 150x195x68mm