• Super Bass
• Sound: HD Clarity with Super Bass
• Drivers: 40 mm
• Type: On Ear
• Connectivity: Bluetooth / Wireless
• Compatibility : All Mobiles , Laptop And Tablets
• Microphone: Noise Cancelling
• Operation range: 10 meters
• Playing time: Up to 8 hours
• Standby time: About 100 hours
• Charge time: Nominal charging time: 2 hours
• Battery type: Rechargeable 250mAh Li-polymer battery
• Functions: multiple function of on/off, play/pause, Call receive/reject, Volume Adjustment and Music Track Change Previous and Next
• LED indicator status: Blue LED for power and pairing, Red LED for charging
• Frequency range: 20Hz- 20kHz
• Controls: Volume/USB Charging/Aux Cable Controls on Ear cup
• Sensitivity at 1KHz : 110 db
• Signal Noise Ratio: ≥75dB
• Dimensions:70*180*175mm
• Impedance: 32 Ohms (±15%Ω)
• Speaker sensitivity: 110±3dB （at：1000Hz 1mW）
• MIC. sensitivity ）: -40±2dB （at：1000Hz 2.2KΩ 3V）
• Distortion: ≤1%
• Extra 3.5mm port: yes (Cable Supplied)
• Battery Charging: Micro USB Charging
• Rated power：10mW
• Net Weight: 110g
• Warrantee: 1 year Manufacturer Warrantee
• Delivery Includes: Wireless Headphone, Manual , Audio Cable, Charging Cable
Technical Details :
PRODUCT DESCRIPTION
Now just stop worrying about wires hanging from here and there. Wired is passé. Connect with any Bluetooth device, connect and play. Dead batteries can kill your vibe. BoAt Rockerz is designed to play up to 8 hours. It has a high definition sound. Don't just be loud, be loud and clear. We guarantee you have not heard such powerful bass and vocal clarity from a wireless headphone. The boAt Super Bass Rockerz 400 wireless headphones will make your listening experience personal and for real. Plug it in and plug into nirvana.
ABOUT THIS PRODUCT :
Super Bass
The powerful 40mm dynamic drivers with the speaker resistance of 32 Ohm enable the headphones to deliver a punchy, rhythmic response to the most demanding tracks. Feel the rockerz 400 super extra bass at wide frequency range of 20Hz - 20kHz, listen to the clarity while the super extra bass make you feel the waves.
Easy Controls
An ear cup that doubles as a control panel, the rockerz 400 are truly the headphones of the future. Now you can pause/play, change tracks, adjust the volume and even answer calls with a simple click on the buttons just below the ear cup. A clutter-free, seamlessly integrated design for instinctive use. The boAt rockerz wireless headphone as said before: De-clutter it all.
Passive Noise Cancellations
Silence the noise from your daily commute or the drama from your loud neighbors with passive noise cancelling in the headphone. The materials make boAt rockerz 400 headphone cancel ambient noise. The passive noise cancellation, the boAt rockerz has been built to strikes the perfect blend between your music and the world outside. Plug it in and Plug into nirvana.
Wear Your Attitude, Play Your Vibe
The boAt rockerz 400 offers a lot, but it's not one of those bulky headphones that weigh you down and ruin your vibe. We believe that you're truly plugged into nirvana when you're light headed. The rockerz 400 is a lightweight and compact headphone that takes all your troubles away and brings you closer with your music. The perfect companion for your daily travels! 
boAt is a lifestyle brand high on fashion. The boAt rockerz wireless headphones carries the brand philosophy ahead. It’s a stunning design, a lightweight body and a sturdy headset keeping the audio delivery intact. It has an ergonomic base to create a custom fit for any head shape so you can keep your music all to yourself. With its super flexible structure, fold it and travel light. 
Plug in or unplugged, you’re always good to go with the rockerz 400. Even after extended use, these headphones will keep giving you the sound you want. Simply plug in the included wire to a 3.5mm audio jack and carry on. The rockerz 400 wireless headphones come with a cable included so you’re all set right out of the box.
