JBL-Tws 4 Headphones Bluetooth version: V5.0 Headphone battery: 50 MAH Talk time: > 3.5 hours Listen to the song: for 3 hours Battery: Polymer lithium battery, headphones 50 mAh, charging compartment 400 mAh. Charging time: 40-50 minutes for the earphones, 2 hours for the charging compartment Color: Black Price: 2500 Birr