inputs.text: wonderful little gps receiver - purchased unit year ago road trip florida family served purpose flawlessly unit extremely compact light weight gps reception nothing short spectacular finding satellite signals extremely fast worryfree ive used unit coupled tomtom emtac mapopolis pda device smartphones one works perfectly use constantly accompanied 2 seperate vacation trips hook phone navigation software road trips bike ride hiking trails mountainous regions never fails another reviewer pointed included battery compatible nokia bl5c lithium battery one nokia phones swap battery one makes even convenient backup easy charging purposes great product worth every penny