This product is rechargeable batteries up to 180 mah. Compatible with all kinds of Bluetooth mobile phone, PDA, notebook computer, etc. It has Bluetooth V 3.0 version with its operatingrage 10m or 100m.It can stay longer more than 7.3 hoursand its standby time 180 hours. It has wireless headphone, you can listen to stereo music, and when there is a call it will convert automatically; can answer the phone, and play music less hassle!
Get this Sunglasses Bluetooth Headphonethat is perfect for runners, bikers, and hikers!
- Frequency Response Range: 20-20000Hz
- Active Noise-Cancellation
- Vocalism Principle: Dynamic
- Sensitivity: 80dB