Bluetooth Earbuds JBL TWS4

Product model: tws4 bluetooth version: jerry v5.0 headphone battery: 50mah standby time: >100 hours talk time: >4.5 hours listening to the song: 4 hours battery: polymer lithium battery, 50 ma earphones, 300 mah charging compartment. charging time: 40-50 minutes for the headset 1 hour for the charging compartment comfortable to wear, compact and portable high quality sound quality wearable while exercising