Sennheiser MOMENTUM Free
Price : INR 14,990

The MOMENTUM Free are most compactable Bluetooth headphone ever. It is highly portable and delivers hifi sound by Bluetooth 4.2 and Qualcomm apt-x. It has high quality ergonomic design which ensures an outstanding listening experience. You can enjoy utpo 6 hour playtime with a single charge.
From its custom machined It has stainless steel in-ear sound tunnels for the signature MOMENTUM sound and it comes with a leather case.
It has powerful bass response and a detailed vocal projection which you can enjoy utpo full.

You can make phone calls and control music with the three button remote which connects to your mobile seamlessly. You can connect with two devices simultaneously. You can enjoy your earphones with more comfort with the ear adapters which comes in four different sizes. They are very secure and also blocks ambient noise effectively.

Specifications:
Wearing style : Neckband
Microphone Type: MEMS
Bluetooth Version : 4.2
Supported Profiles : A2DP 1.2,AVRCP 1.4,HSP1.2,HFP 1.6 - HD Voice
Frequency response : 15Hz - 22000Hz
THD, total harmonic distortion : <0.5%
Ear coupling : In Ear
Transducer principle : Dynamic (SYS10)
Weight : < 40g
Bluetooth Range : up to 10 meters
Min. terminating impedance : 28 Ohm (Passive), 480 Ohm (Active)
Operating voltage (mains) : 3.0-4.2V
Sensitivity as per 121 TR 9-5 : - 44 dB V/Pa
Wideband (SLR) : 10dB +/- 5dB
Narrowband (SLR) : 8dB +/- 5dB
Battery Specification : Built-in Rechargeable Lithium-ion Polymer (~85mAh) with more than 500 charges
Codecs : apt-X ® / apt-X ® LL /AAC/SBC
Personal fit : XS, S, M, L (4 sets)
Voltage : 3.7V Nominal
Connection : 2 device simultaneously (HFP/A2DP)
Charging Current : 3.0-4.2V
PROS:
High sound quality
Great noise isolation
Reliable Bluetooth
CONS:
Poor battery life