• 4 in 1 Multi-functional stereo Bluetooth Headphone: Wireless Stereo Bluetooth + Card MP3 player + FM Radio + Wired Headset function

• Easy to pair with any Bluetooth-enabled smartphone, tablet, etc.

• DSP noise cancellation technology brings you clear sound effect

• Built-in microphone, supports hands-free function

• Can work as a MP3 player because it supports memory card (Micro SD / TF card)

• 3.5mm audio jack, provides a simple wired connection of a variety of music players without Bluetooth function

• Support FM radio function
  

• Foldable design and adjustable headband length, very comfortable to wear and easy to carry

• Built-in rechargeable li-ion battery, easily charged by the included USB cable via computer, etc.
  

Specification:

• Model Number: BTH-811

• Bluetooth Version: ISSC3.0 + EDR

• Support Profiles: HSP, HFP, A2DP, AVRCP

• Operation Distance: 10m; Transmitting Power: Class 2

• Frequency Range: 2.4026 GHz-2.480GHz

• Resistance: 32ohm

• Sensitivity: 105dB+ / - 3dB

• Rechargeable Lithium Battery: 300mAh

• Talking Time: 8 hours

• Music Playing Time: 10 hours

• Standby Time: 120 hours

• Charge Time: 2-3 hours

• Plug Type: 3.5mm

• Audio Cable length: 1.2m

• Earmuff Diameter: 7.5cm

• Main Item Size (Foldable): 18.5 * 16.0 * 7.5cm

• Item Weight: 163g

Compatible with:

• iPhone iPad iPod

• Samsung HTC Sony LG etc smartphone or tablet