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The Otium Knight Series Headphones adopts unprecedented technology with black steel, and advanced Bluetooth chip, just surrounded by the premium quality sound from your own knight.

Bluetooth Chip: CSR8645

Bluetooth Version: 4.1

Bluetooth Protocol: A2DP V1.2, AVPCP V1.4, HSP V1.2, HFP1.6

Modulation System: GFSK

Power: Class 2 (10 meters,33 feet)

Bluetooth Distance: 15-20 meters

Frequency Range: 20Hz-20KHz

Microphone: MA-BFA423-A13 /-42±3dB

Battery: 400822/120mAH/2*60mAH

Charging time: 2 hours

Charging Voltage: DC 5V

Talking Time: 8 hours

Play Time: 8 hours

Standby Time: up to 270 hours

Weight: about 30g

Headphones Size: 34.2*12.4*9 mm

Remote Size: 42*10.6*6 mm

Headphones Material: Stainless Steel 304(Mercerizing/Vacuum Plating)

Wire Material: TPE

The wireless headphones adopts multiple precise metallic technologies, vacuum plating with stainless steel and mercerizing on the surface, it is also skip proof and scrape proof.
Bluetooth 4.1 with CSR8645 offer a faster and more stable connection, powerful battery last up to 8 hours play time and talk time.
The headphones through Bluetooth V4.1 with A2DP can connects with all Bluetooth enabled devices easily, and allows connecting 2 devices at the same time.
The Knight series provide premium sound with deep bass, and support APT-X makes music as close as CD quality. CVC6.0 noise cancelling feature isolates you from noise.
Best sports partner features sweat proof technology and comfortable ear hooks that will stay in place.

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