different type bluetooth module

8:23

24:38

2:42

6:39

4:25

6:19

5:07

18:32

3:58

7:17

4:47

8:52

5:24

21:35

8:38

16:21

4:51

14:33

7:54

20:28

3:12

8:25

00:47

6:11

4:33

9:34

3:03

2:30

15:15

3:15

2:03

2:23

8:14

2:41

2:14

5:00

10:40

20:02

6:01

1:52

8:40

14:38

9:24

2:52

6:54

1:18

8:17

2:55

1:46

00:55

5:07

1:45

2:09

9:28

6:14

2:40

2:18

10:55

6:09

1:48