diff --git a/lib/ble/index.js b/lib/ble/index.js
index cf52e67..ee7e4d9 100644
--- a/lib/ble/index.js
+++ b/lib/ble/index.js
@@ -174,7 +174,9 @@ class BLE {
  		obj = JSON.parse(utf8)
 	 	result = bleno.Characteristic.RESULT_SUCCESS
 	 	if (obj.type && this[`_on${capitalize(obj.type)}`]) {
-	 		this[`_on${capitalize(obj.type)}`]( data => {
+	 		this[`_on${capitalize(obj.type)}`]( obj => {
+	 			let str = JSON.stringify(obj)
+	 			let data = new Buffer(str)
 	 			return callback(result, data.slice(offset, data.length))
 	 		})
 	 	} else {