• Bluetooth V4.0 version, wide compatibility, suitable for mobile phone, tablet, laptop, MP3, MP4, etc.
• Supports 32G TF card expansion(TF card not included)
• Designed with LCD screen, to show the current play mode or switch songs
• Built-in FM radio function, FM frequency range: 87.5-108 MHz
• 40mm dynamic alloy speaker controller, ultra-high fidelity stereo surround sound tuning, enjoy high quality wireless music
• Built-in hidden HD microphone for hands-free calling
• With standard 3.5mm audio jack, compatible with line output playback mode, you can use 3.5mm audio cable to listen to music
• Foldable and lightweight, the earmuffs are made of soft, breathable protein leather for a comfortable fit
• Removable and replaceable battery design, 400mAh lithium ion polymer battery, standby time up to 20 days, playback time up to 8-10 hours

Specification:

• Model: B570

• Bluetooth version: 4.0 + EDR + class2

• Bluetooth protocol: AVRCP1.0, GAVDP1.0, AVDTP1.0, A2DP1.0

• Wireless transmission range: 10 meters

• Music/talk time: 8-10 hours

• Charging time: 5 hours

• Frequency response: 20Hz-20KHz

• Battery type: rechargeable lithium ion polymer battery (3.7V 400mAh)

• Charging power: USB port of the computer DC 5V

• Audio port: 3.5mm stereo jack

Compatible with:

• iPhone Samsung Huawei Sony HTC LG etc. Bluetooth-enabled smartphones or tablets

• Other MP3/MP4, PC etc. with 3.5mm audio jack