Original MARROW 155B Wireless BT Stereo Headset BT 4.0 HIFI Bass Sound Effect Hands-free Headphone with Mic White for iPhone 6S Plus Samsung BT-enabled Devices

MARROW 155B wireless BT headphone brings you perfect music enjoyment. With the high-quality microphone, the headset supports hands-free calls. Its special speakers transmit powerful bass and perfect sound. The protein leather and elastomeric sponge ear cushion simulated to human skin texture, giving you long-time comfort. Its lightweight and comfortable is perfectly suitable for listening music, mountain-climbing, traveling, hiking and other sports. 

MARROW 155B Features:
Strong Compatibility: Compatible with almost all BT-enabled mobile devices such as, for iPhone 6s 6, for Samsung Galaxy S5 S4 S3 / Note 4 3 2, for HTC One, Tablet PC, Laptop, etc.
BT 4.0: With imported CSR/RDA BT 4.0+EDR chip, you can enjoy music and pick up calls with best sound quality. Advanced A2DP transmission effect is better than common product. Transmission distance is 10 meters without obstacles. 
Excellent Bass: With built-in amplifier device and 40MM large dynamic alloy speaker drivers, it brings you perfect sound quality.
Echo cancellation and noise reduction reduce outside noise, which gives you a clear and quiet music world.
Endurance Time: with 450 mAh Polymer Battery, it offers 135 hrs of standby time, 20 hrs of music playing time and 30 hrs of talking time.
Ergonomic design: The lay-out of button is reasonable, neat and easy to operate.
It has the advantage of portable, foldable and flexible.
High ventilated and pressure defense headband gives you comfort for long-time wearing.
Protein leather and elastomeric sponge ear cushion relief your ear from clamping. 
Adjustable headband length, adjust suitable length as you like.

MARROW 155B Specification:
Brand Name: MARROW
Model Number: 155B
BT Version: BT 4.0 
BT Protocol: HFP, HSP, A2DP, AVRCP
Operation Range: up to 10 meters (straight line distance)
Speaker Diameter(Drive Unite): ⱷ 40mm
Speaker Impedance: 32 ohm
Speaker Frequency Range: 20 ~20KHz
Microphone Dimension: ⱷ 6 * 5mm
MIC Sensitivity: -58dB+2dB
MIC Impedance: < 2.2KὨ
Operating Voltage: 4.5 V
Battery: rechargeable 3.7 V / 450mAH lithium battery
Music Playing Time: about 20 hours
Talking Time: about 30 hours
Standby Time: about 135 hours
Charging Time: about 4-5 hours
Interface: USB Port
Color: White
Item Size: Approx. 18 * 15 * 3cm / 7.09 * 5.91 * 1.18in
Item Weight: Approx. 159g / 5.63oz
Package Size: Approx. 23 * 21.5 * 6cm / 9.06 * 8.46 * 2.36in
Package Weight: Approx. 463g / 16.31oz

MARROW 155B Package List:
1 * BT Headset
1 * USB Cable
1 * User Manual