diff --git a/src/config.rs b/src/config.rs
index 4046a27..37b41da 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -8,11 +8,13 @@
 
 //! Configs and associated enums.
 
+use std::fmt::{Debug, Display, Formatter, Pointer};
+
 use cxx::UniquePtr;
 
 pub use ffi::{
-    get_device_count, get_log_level, get_random_seed, set_log_level, set_random_seed, BatchType,
-    ComputeType, Device, LogLevel,
+    BatchType, ComputeType, Device, get_device_count, get_log_level, get_random_seed,
+    LogLevel, set_log_level, set_random_seed,
 };
 
 #[cxx::bridge]
@@ -36,7 +38,7 @@ pub(crate) mod ffi {
     /// # assert_eq!(device, Device::CPU);
     /// ```
     ///
-    #[derive(Debug)]
+    #[derive(Copy, Clone, Debug)]
     #[repr(i32)]
     enum Device {
         CPU,
@@ -81,7 +83,7 @@ pub(crate) mod ffi {
     /// # assert_eq!(compute_type, ComputeType::DEFAULT);
     /// ```
     ///
-    #[derive(Debug)]
+    #[derive(Copy, Clone, Debug)]
     #[repr(i32)]
     enum ComputeType {
         DEFAULT,
@@ -116,7 +118,7 @@ pub(crate) mod ffi {
     /// let batch_type = BatchType::default();
     /// # assert_eq!(batch_type, BatchType::Examples);
     /// ```
-    #[derive(Debug)]
+    #[derive(Copy, Clone, Debug)]
     #[repr(i32)]
     enum BatchType {
         Examples,
@@ -146,7 +148,7 @@ pub(crate) mod ffi {
     /// let log_level = LogLevel::default();
     /// # assert_eq!(log_level, LogLevel::Warning);
     /// ```
-    #[derive(Debug)]
+    #[derive(Copy, Clone, Debug)]
     #[repr(i32)]
     enum LogLevel {
         Off = -3,
@@ -223,24 +225,77 @@ impl Default for Device {
     }
 }
 
+impl Display for Device {
+    fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
+        match *self {
+            Device::CPU => write!(f, "CPU"),
+            Device::CUDA => write!(f, "CUDA"),
+            _ => write!(f, "Unknown"),
+        }
+    }
+}
+
 impl Default for ComputeType {
     fn default() -> Self {
         Self::DEFAULT
     }
 }
 
+impl Display for ComputeType {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match *self {
+            ComputeType::DEFAULT => write!(f, "default"),
+            ComputeType::AUTO => write!(f, "auto"),
+            ComputeType::FLOAT32 => write!(f, "float32"),
+            ComputeType::INT8 => write!(f, "int8"),
+            ComputeType::INT8_FLOAT32 => write!(f, "int8_float32"),
+            ComputeType::INT8_FLOAT16 => write!(f, "int8_float16"),
+            ComputeType::INT8_BFLOAT16 => write!(f, "int8_bfloat16"),
+            ComputeType::INT16 => write!(f, "int16"),
+            ComputeType::FLOAT16 => write!(f, "float16"),
+            ComputeType::BFLOAT16 => write!(f, "bfloat16"),
+            _ => write!(f, "unknown"),
+        }
+    }
+}
+
 impl Default for BatchType {
     fn default() -> Self {
         Self::Examples
     }
 }
 
+impl Display for BatchType {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match *self {
+            BatchType::Examples => write!(f, "examples"),
+            BatchType::Tokens => write!(f, "tokens"),
+            _ => write!(f, "unknown"),
+        }
+    }
+}
+
 impl Default for LogLevel {
     fn default() -> Self {
         Self::Warning
     }
 }
 
+impl Display for LogLevel {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match *self {
+            LogLevel::Off => write!(f, "off"),
+            LogLevel::Critical => write!(f, "critical"),
+            LogLevel::Error => write!(f, "error"),
+            LogLevel::Warning => write!(f, "warning"),
+            LogLevel::Info => write!(f, "info"),
+            LogLevel::Debug => write!(f, "debug"),
+            LogLevel::Trace => write!(f, "trace"),
+            _ => write!(f, "unknown"),
+        }
+    }
+}
+
 /// The `Config` structure holds the configuration settings for CTranslator2.
 ///
 /// # Examples
@@ -314,10 +369,47 @@ mod tests {
     use rand::random;
 
     use crate::config::{
-        get_device_count, get_log_level, get_random_seed, set_log_level, set_random_seed, Config,
-        Device, LogLevel,
+        BatchType, ComputeType, Config, Device, get_device_count,
+        get_log_level, get_random_seed, LogLevel, set_log_level, set_random_seed,
     };
 
+    #[test]
+    fn test_device_display() {
+        assert_eq!(format!("{}", Device::CPU), "CPU");
+        assert_eq!(format!("{}", Device::CUDA), "CUDA");
+    }
+
+    #[test]
+    fn test_compute_type_display() {
+        assert_eq!(format!("{}", ComputeType::DEFAULT), "default");
+        assert_eq!(format!("{}", ComputeType::AUTO), "auto");
+        assert_eq!(format!("{}", ComputeType::FLOAT32), "float32");
+        assert_eq!(format!("{}", ComputeType::INT8), "int8");
+        assert_eq!(format!("{}", ComputeType::INT8_FLOAT32), "int8_float32");
+        assert_eq!(format!("{}", ComputeType::INT8_FLOAT16), "int8_float16");
+        assert_eq!(format!("{}", ComputeType::INT8_BFLOAT16), "int8_bfloat16");
+        assert_eq!(format!("{}", ComputeType::INT16), "int16");
+        assert_eq!(format!("{}", ComputeType::FLOAT16), "float16");
+        assert_eq!(format!("{}", ComputeType::BFLOAT16), "bfloat16");
+    }
+
+    #[test]
+    fn test_batch_type_display() {
+        assert_eq!(format!("{}", BatchType::Examples), "examples");
+        assert_eq!(format!("{}", BatchType::Tokens), "tokens");
+    }
+
+    #[test]
+    fn test_log_level_display() {
+        assert_eq!(format!("{}", LogLevel::Off), "off");
+        assert_eq!(format!("{}", LogLevel::Critical), "critical");
+        assert_eq!(format!("{}", LogLevel::Error), "error");
+        assert_eq!(format!("{}", LogLevel::Warning), "warning");
+        assert_eq!(format!("{}", LogLevel::Info), "info");
+        assert_eq!(format!("{}", LogLevel::Debug), "debug");
+        assert_eq!(format!("{}", LogLevel::Trace), "trace");
+    }
+
     #[test]
     fn test_config_to_ffi() {
         let config = Config::default();