Tama Electronics Bluetooth Headset Stamina TBM20SBK Ver.5

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. This is a stamina model with 888 hours of standby and 28 hours of continuous talk. Noise reduction for clear calls. Canal type with excellent sound insulation and easy listening. Multi-point standby for 2 smartphones at the same time. Comes with an in-car USB charger and USB charging cable.