Specifications:
Portable behind-the-head wearing design, convenient for sports.
Handsfree design, allow you answer the phone any-time and anywhere.
Allows you enjoy MP3 music or answer the phone through Bluetooth any-time and anywhere without bothering from a mess of cable .
Supports control of play/pause, volume up and volume down.
Built-in Microphone, answer to the phone calls when paired with mobile phone.
Built-in rechargeable lithium battery, charge directly from USB port.

Type: Wireless Headset
Bluetooth Version: V4.1
Frequency Coverage: 2.402 – 2.480GHz
Band Sensitivity: -80db
Charger Power: USB 5V
Channel: 79 Channels of 1MHz
Contact Terms: Point-to-Point
Transmit Range: Up to 10m
Transmit Speed: 57 – 723Kbps
Stereo Compression Ratio: 44.1/48KHZ
Support Format: MP3 WMA
Talk Time: Up to 15 Hours
Charge Time: 1-2 Hours
Power Source: Built-in Li-ion Battery (USB Charging)
Control Buttons: Play/ Pause, VOL +, VOL -, Call/ Receive
Features: Portable, Lightweight, Hook Headset, Stereo, Sports Wear
Size: 15.5cm x 13cm x 5cm/6.10″ × 5.12″ × 1.97″ (Approx.)

Notes:
Due to the light and screen setting difference, the item’s color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x Bluetooth Headset (Phone is not included.)
1 x USB Charging Cable
1 x Instruction