• CD vein on the surface, fashion and stylish
• 40mm 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 400mAh rechargeable battery
• Professional CVC 6.0 intelligent noise reduction technology, provide perfect sound effect
• Support direct music playback from TF card (TF card not included)
• Support 3.5mm stereo audio input

Specification:

• Bluetooth version: Bluetooth 4.1
• Bluetooth program: JL
• Battery capacity: 400mAh
• Charging voltage: DC 5V
• Working voltage: 3.1V-4.2V
• Connection distance: 10m
• Talking time: 8 hours
• Music playing time: 8 hours
• Standby time: 30 hours
• Charging time: 1.5-2 hours
• Plug: 3.5mm gold-plated plug
• Material: Φ3.0mm soft braided wire
• Cable length: 1.5M ± 5%
• Speaker:
• Drive unit: 40mm overweight bass
• Impedance: 32Ω ± 15% at 1KHz
• Sensitivity: 108 ± 3dB at 1mw 1kHz with IEC318
• Frequency response range: 20-20000Hz
• Deviation: less than 3dB at 1KHz
• Distortion: less than 3% at 1kHz 1mW
• Rated power: 30mV
• Maximum power: 50mV
• Microphone:
• Sensitivity: -42 ± 3dB at 1KHz
• Specifications: 4015
• Output impedance: 2.2KΩ (max) at 1KHz
• 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