SODO MH2 Bluetooth 2 IN 1 Twist-Out Speaker Wireless Headp

Sodo mh2 has a battery capacity of 400mah, which allows you to listen to music for quite some hours. it lasts 6 hours in headphone mode, 3 hours in speaker mode, 8 hours talking time and 23 hours standby time. no need to charge every step of the way, it will last along the way.