The battery style is the NB-6L style and normally it is easy to purchase locally. The headset is is foldable Comes in a durable hardcase Move the microphone arm up to mute and down to talk PRODUCT SPECIFICATIONS Standard DECT technology, GAP compatible Range 1200ft (366 Meters) open space Talk Time 12-15 Hours; Channel Bandwidth 1.728 MHz Modulation Type GFSK Transmission Speed 1.152 Mbps Duplex Operation Time Division Duplex (TDD) Speech Coding ADPCM transcoder supports up to 8 duplex 32kbs channels, fully compliant with ITU G.726 Frequency Bands 1.78-1.93G