Specifications:

Ergonomically designed earphones, perfectly fit for your ear and will not fall down easily.
Compatible with all smart phones with Bluetooth.
This headphone is easy to fold up so that you can effortlessly carry around.

• Bluetooth Version: V4.1
• Voice: Support
• Support Protocol: HFP HSP A2DP AVRCP
• Functions: Receiving Calls, Hang Up Incoming Calls, Music Pause/Play, Call Numbers Speaking, Tail Number Redial, Intelligent Voice Prompt, Power Display, Noise Reduction, Last/Next Song, Volume adjustment
• Battery Capacity: 300mA (Included)
• Charging Power Supply: AC Input 110 - 240V DC Output 5V
• Transmission Power: Class 2
• Wireless Frequency: 2.402 - 2.480GHz
• Talking Time: about 10 Hours 
• Music Playing Time: about 10 Hours
• Charging Time: 1 - 2 Hours
• Standby Time: 200 Hours
• Wireless Distance: about 10m
• Interface: Micro-USB
• Features: Head-mounted, Wireless, Folding Storage, Comfortable Wearing
• Length: 16.5cm/6.50" (Approx.)
• Width: 14cm/5.51" (Approx.)
• Height: 9cm/3.54" (Approx.)

Package includes:
1 x Bluetooth Earphone
1 x Charging Cable
1 x User Manual