Media-Tech MT3591 Epsilion BT

Wireless stereo bluetooth headphones
Bluetooth V4.2 interface with EDR
FM radio 87-108MHz
MP3 player with TF cards up to 32GB
Built-in high-quality microphone and speakers
Standards support: A2DP, HSP, AVRCP
Transmission frequency: 20Hz - 20kHz
3.5mm LINE IN jack
Foldable construction
Battery: Li-Polymer for 4 hours of operation
Micro USB socket for battery charging
Charging time: approx. 2 hours
Weight: 134g  Construction type: On-Ear | Folding construction: Yes | Connection: Wireless | Frequency range: 20Hz-20KHz | Built-in microphone: Yes | Wireless connection: Bluetooth | Bluetooth profiles support: A2DP, HSP, AVRCP | Color: Black | Weight: 134 g