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Sennheiser CX 680 Sports Headphones - Page 3 Questions & Answers
The batery in my sennheiser headphone only last 3 minutes after charging.the chargin lightin the charger dont come on
Obviously your rechargeable battery isn't getting charged. It's probably a good battery as it recovers enough to run for 3 minutes after you try charging it. (all that's happening is the battery is allowed to rest and it recovers a little bit of it's capacity.)
As to why it's not getting charged, it could be the charger or the wiring in the headphones or the wiring in the base or a few other possibilities. You didn't give us a model number or any other details so we can't get any closer than that.
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