S503 Mp3 Player Bluetooth Stereo Headset Universal Cellphone Earphone with TF Slot(Red+Black)

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- Excellent stereo sound quality.
- The volume control and noise reduction ensure clear conversations even in noisy environments.
- The Bluetooth wireless headphones minimizes the noise around and offers you nice environment.
- Whether you are on the road, in the office, or at home, you can have your own way.
- Stylish bluetooth headset, you can keep music in your life all day long.
- Compatible with: Various Bluetooth enabled devices, for example mobile phone, PDA, laptops,can be used online voice chat .
- It's not only a Bluetooth wireless headphones,but also as a MP3 Player and can insert a TF card. 
- Bluetooth version: Bluetooth 2.1 + EDR technology
- Frequency range: 2.4GHz~2.4835GHz
- Bluetooth distance: 10M
- Connect 2 mobile phone simultaneously: YES
- External expansion card: TF card up to 16GB
- Frequency response: 20Hz ~ 20KHz
- Sensitivity: 80dB
- Srereo; CD effect
- LED indication: YES
- Battery: 220mAh rechargeable lithium-ion battery
- Charging voltage: DC 5V
- Signal to noise ratio: 90%
- Bluetooth output power: 10mW
- Talking time: up to 12 hours
- Music time: 8-10 hours
- Bluetooth standby time: more than 200 hours
- Connectivity: USB cable built-in port
- Software included: No requirment
- Package included
1 x Bluetooth earphone
1 x USB cable
1 x EU charger
1 x English user manual