• 4mm NdFeB drive unit and composite vibrating diaphragm bring you a HD HIFI stereo bass sound effect

• Bluetooth 4.1 for stable connection and solid performance operational distance

• Built-in microphone makes hands-free calls easy

• Build-in 500mAh rechargeable battery

• Professional CVC 6.0 intelligent noise reduction technology, provide perfect sound effect

• Support direct music playback from TF card

• Support 3.5mm stereo audio input and FM function

• With dynamic LED light design, super cool and attractive

Specification:

• Bluetooth version: Bluetooth 4.1

• Battery capacity: 500mAh

• Charging voltage: DC 5V

• Working voltage: 3.1V-4.2V

• Talking time: 16 hours

• Music playing time: 15 hours 

• Standby time: 100 hours

• Charging time: about 2 hours

• Plug: 3.5mm gold-plated plug

• Material: Φ3.0mm soft braided wire

• Cable length: 1.5M ± 5%

• Speaker:

• Drive unit: 40mm NdFeB overweight bass

• Impedance: 32Ω ± 15% at1KHz

• Sensitivity: 105 ± 3dB at 1mw 1kHz with IEC318

• Frequency response range: 20-20000Hz

• Deviation: less than 3dB at1KHz

• Distortion: less than 3% at 1kHz 1mW

• Rated power: 30mV

• Maximum power: 50mV

• Microphone:

• Sensitivity: -42 ± 3dB at1KHZ

• Specifications: 4015

• Output impedance: 2.2KΩ (max) .at1KHZ

• Current consumption: 200-500uA

• Frequency response range: 100-10KHz

Compatible with:

• iPhone iPod iPad

• Samsung HTC Huawei etc Bluetooth-enabled devices

• Other devices with 3.5mm audio jack