Faq/if a problem occurs, The headphones cannot be switched on, The headphones cannot be charged – Sennheiser IE 80S BT Wireless Neckband In-Ear Headphones User Manual
Page 25: The operating time is decreasing, The sound occasionally drops out, The sound is too low, The headphones sound misadjusted, The headphones are uncomfortable, Leaving the bluetooth transmission range

See also other documents in the category Sennheiser Headphones:
- A200 (39 pages)
- 523983/A01 (28 pages)
- HD 500A (2 pages)
- HD 270 (8 pages)
- Ear Set 4 (23 pages)
- 09969 (1 page)
- Encore HS1 (1 page)
- HD 200 (1 page)
- HD 515 (4 pages)
- 502817 (2 pages)
- HD 457 (2 pages)
- HD 437 (1 page)
- HD 201 (1 page)
- HD 497 (1 page)
- deutsch Mx 80 (2 pages)
- A1 (8 pages)
- HD 270 Control (8 pages)
- HD 238 (1 page)
- HD 380 Pro (2 pages)
- CC515 (1 page)
- CX 55 (2 pages)
- HD 212 Pro (1 page)
- CX 500 white (2 pages)
- CX 880 (2 pages)
- HD 433 (8 pages)
- 502816 (2 pages)
- 502875 (38 pages)
- HD 428 (2 pages)
- 502874 (37 pages)
- 2020 (60 pages)
- FUSION HD 500 (8 pages)
- CX 95 (2 pages)
- CX HD 280 (1 page)
- Earphones CX 300 black (2 pages)
- CC 510 (1 page)
- 04484 (1 page)
- CX200 (2 pages)
- 09920 (1 page)
- ACTIVEGARD CC550 (1 page)
- HD 205 (2 pages)
- CC 530 (1 page)
- 500 Series (42 pages)
- HD 280 (13 pages)
- EH 2270 (1 page)
- Digital Wireless System MX W1 (28 pages)