Main Features:
MARROW 303B wireless Bluetooth 4.0 music headphonesAdopts imported chipset・ work more smoothlyHiFi quality・ delivers a clear and delicate soundPowerful bass music effect・ excellent listening experienceErgonomic design・ feel no fatigue after a long time wearingProtein leather material・ ultra-soft earmuff・ super comfortable to wearBuilt-in 450mAh rechargeable Li-polymer battery・ up to 20h working timeLightweight and portable to carry out


Brand: MARROW
Model: 303B
Color: Black・Blue・White
Wearing type: Headband
Function: Answering Phone・Bluetooth・HiFi・Microphone・Song Switching


Connectivity: Wireless
Connecting interface: Micro USB
Application: Mobile phone・Portable Media Player・Sport
Driver unit: 40mm
Frequency response: 20-20000Hz
Impedance: 32ohms
SNR: 80dB
Sensitivity: 106db
Talk time: 20h
Music Time: 15h
Standby time: 135h
Charging Time.: 3h
Compatible with: Mobile phone


Bluetooth: Yes
Bluetooth Version: V4.0
Bluetooth distance: W/O obstacles 10m
Bluetooth protocol: A2DP・AVRCP・HFP・HSP
Bluetooth mode: Hands free


Battery Capacity(mAh): 450mAh


0.486 Package weight: 0.537 kg
Product size (L x W x H): 16.00 x 19.00 x 3.00 cm / 6.3 x 7.48 x 1.18 inches
Package size (L x W x H): 21.50 x 23.00 x 6.10 cm / 8.46 x 9.06 x 2.4 inches


Package Contents: 1 x Headphones・ 1 x USB Cable