diff --git a/examples/ble_l2cap_client.rs b/examples/ble_l2cap_client.rs
index 772ab89..e93395a 100644
--- a/examples/ble_l2cap_client.rs
+++ b/examples/ble_l2cap_client.rs
@@ -23,11 +23,9 @@ fn main() {
       client.connect(device.addr()).await.unwrap();
 
       let mut l2cap = L2capClient::connect(&client, 0x1002, 512).await.unwrap();
-      l2cap.on_data_received(|x| {
-        ::log::info!("Data received(0x1001): {:X?}", data.sdu_rx());
-      });
       for i in 0..4 {
-        l2cap.send(format!("test{}", i).as_bytes()).unwrap();
+        l2cap.tx(format!("test{}", i).as_bytes()).unwrap();
+        ::log::info!("< {:#?}", l2cap.rx().await.data());
         esp_idf_hal::delay::FreeRtos::delay_ms(1000);
       }
       l2cap.disconnect().await.unwrap();