This app offers the quickest way to figure out which earbud is right and which is left.
Connect your headphones, open the app and click.
If that is not fast enough, you can use the home screen widget for even faster use.

Our promises:
No need to grant any special permissions.
It's free, it's small, it's meant for one thing and it does it well.

This is Headset Test & Headset-Speaker Toggle to turn on/off your WIRED headset/headphone.

When your headset still plugged, you press a toggle mute headset, a sound will out on loudspeaker and your headset will mute.

- Show your Headset state: Plugged or Unplugged

- Easy to Turn ON/OFF your Headset

- High performance....

*Supported devices (Updated Aug 2017)
- Acer A3-A20 (acer_harley)
- Arctic450
- Asus Fonepad 7 (FE375CXG) (K019_2)
- Asus PadFone S (PF500KL) (ASUS_T00N)
- Asus ZenFone 2 Laser (ZE500KG) (ASUS_Z00RD_7)
- Asus ZenFone 3 (ASUS_Z012D)
- Asus ZenFone 3 Zoom (ZE553KL) (ASUS_Z01H_1)
- Asus ZenFone 5 (A500CG) (ASUS_T00F1)
- Asus ZenFone C (ZC451CG) (ASUS_Z007)
- Asus Zenfone Go (ASUS_X00BD) (ASUS_X00BD_1)
- Asus ZenFone Go (ZC500TG) (ASUS_Z00VD)
- Asus ZenFone3 (ASUS_Z017D_1)
- BB2_PRO
- BF168
- Coolpad 3600i (CP3600I)
- Coolpad R108 (R108)
- CoolpadY76_I01
- dogo
- Flare S Play
- GT-19505
- HTC Desire 526 (htc_a13wlpp)
- HTC One (M8) (htc_m8)
- huashan
- Huawei G7-L01 (hwG7-L01)
- Huawei H30-C00 (hwH30-C00)
- Huawei M3 (hwbeethoven)
- Huawei P7 (hwp7)
- Huawei P8 Lite (hwALE-H)
- Huawei P9 lite (HWVNS-H)
- Huawei Y635-TL00 (hwY635)
- Huawei 华为揽阅M2青春版7.0 (hwple703l)
- Kyocera Hydro WAVE (C6740)
- Lark Impress_Noda (Impress_Noda)
- Lenovo A1000 (A1000)
- Lenovo A6000 (Kraft-A6000)
- Lenovo A7000 Plus (A7000plus)
- Lenovo K5 (A6020l36)
- LGE G2 MINI (g2mds)
- LGE LG G3 (g3)
- LGE LG G5 (h1)
- LT5001PG
- MegaFon MFLogin3T (MFLogin3T)
- Micromax Canvas Doodle4 (Q391)
- MITO_A550
- MITO_T77
- Motorola Moto E (1st Gen) (condor_udstv)
- Motorola Moto E (1st Gen) (condor_umts)
- Motorola Moto G (1st Gen) (falcon_umtsds)
- Motorola Moto G(4) Plus (athene_f)
- MTS
- Nexus5
- OnePlus OnePlus3 (OnePlus3)
- Oppo A33f (A33)
- Oppo A37f (A37f)
- Oppo F1w (F1f)
- P1ma40
- Panasonic Eluga Arc (ELUGA_Arc)
- Samsung Galaxy A3(2016) (a3xelte)
- Samsung Galaxy A5 (a5lte)
- Samsung Galaxy Core Advance (cane3g)
- Samsung Galaxy E7 (e73g)
- Samsung Galaxy E7 (e7lte)
- Samsung Galaxy Grand duos (baffin)
- Samsung Galaxy Grand Prime (grandprimeve3g)
- Samsung Galaxy Grand Prime (grandprimeve3gdtv)
- Samsung Galaxy J1 (j1xlte)
- Samsung Galaxy J1 Ace (j1acevelte)
- Samsung Galaxy J1 Mini (j1mini3gxw)
- Samsung Galaxy J1(2016) (j1x3g)
- Samsung Galaxy J3(2016) (j3xlte)
- Samsung Galaxy S3 Mini Value Edition (goldenve3g)
- Samsung Grand Prime Plus (grandpplte)
- Smartfren B16C2H (B16C2H)
- Sony Xperia C3 (D2533)
- Sony Xperia E1 (D2114)
- Sony Xperia P (LT22i)
- Sony Xperia S (LT26i)
- TCT (Alcatel) 6039A (idol347)
- TCT (Alcatel) 6055A (idol4)
- Tecno L8 Lite (L8Lite)
- Vivo Y21 (Y21)
- Vivo Y31i (Y31i)
- Vodafone 895 (VF-895N)
- Xiaomi HM 2LTE-CMCC (HM2014813)
- Xiaomi HM 2LTE-CU (HM2014811)
- Xiaomi HM Note 2 (hermes)
- Xiaomi Mi 4i (ferrari)
- Xiaomi MI MAX (hydrogen)
- Z5
- ZTE Blade V+ (P816A12)
- ZTE Z970 (draconis)
- Doogee X5 Pro
...