Sennheiser HD 350BT Specs

Key Specs
Earpiece Connection / Wearing Style
Headband
Foldable
Yes
Active Noise Cancellation
No
Sensors
Touch
Frequency Response
18 Hz to 22,000 Hz (Wireless)
Number of Voice Mics
2
Beamforming Support
Yes
Runtime
30 Hours (BT)
Headphone
Open/Closed-Back
Closed-Back
Earpiece Connection / Wearing Style
Headband
Foldable
Yes
Driver Type
Dynamic
Active Noise Cancellation
No
Controls/Microphone Location
Controls: Earpiece (Side Unspecified)
Microphone: Earpiece (Side Unspecified)
Full Remote OS Support
Not Specified by Manufacturer
Sensors
Touch
Performance
Frequency Response
18 Hz to 22,000 Hz (Wireless)
Maximum Sound Pressure Level (SPL)
108 dB at 1 kHz
Total Harmonic Distortion (THD)
0.3%
Number of Voice Mics
2
Beamforming Support
Yes
Microphone Type
MEMS
Frequency Response
80 Hz to 6000 Hz
Wireless
Bluetooth 5.0 
Wireless Modulation
p/4 DQPSK, 8DPSK, GFSK
Bluetooth
5.0
Supported Audio Codecs
AAC, SBC, aptX, aptX LL
Frequency
2.4 GHz (2402 to 2480 MHz)
NFC
No
Wired Connectivity
Audio Connector
Not Specified by Manufacturer
Audio Connector to Earpiece
Not Specified by Manufacturer
Battery Chemistry
Lithium-Ion Polymer (LiPo)
Capacity (mAh)
300 mAh
Runtime
30 Hours (BT)
Recharge Time
2 Hours
DC Input Power
5 VDC
Charging Input
USB-C
Color
Black
Weight
Headphones:
8.4 oz / 238 g
Packaging Info
Package Weight
1.04 lb
Box Dimensions (LxWxH)
11.6 x 8.4 x 3.9"