... /SAMSUNG Specification:The product model: SD-2 series Talk time: 5 hoursTravel charger: DC5V-100 mA Standby ... ability, rechargeable lithium polymer battery headset charge: charging/discharging protection function.This type of headphones, use rechargeable batteries ... cellphone accessories, such as protective case, battery, charger and Bluetooth headset etc. with Good Quality Management,Fast delivery, ...