Maybe you can try the naenka tws earbuds. It uses Qualcomm 3040 chip and Bluetooth 5.0 technology. It can be used for 7 hours on a single charge and the total battery life of the charging compartment exceeds 28 hours. It can meet the music needs of travel and business trips.
headphone question
I'm going to buy a new pair of headphones for occasional listening, such as the AKG K142HD or K272HD model. Will I need a headphone amp for these phones or will my McIntosh C712 pre-amp be sufficient since it has a headphone jack? Any other suggestions would be helpful.