Audio-Technica ATH-HL7BT Wireless Over-Ear Headphones

Bluetooth Specifications

• Communication Systems Bluetooth Version.5.0
• RF Power Output 5.1 mW EIRP (Max.)
• Operating Range Line of sght approx. 10m
• Operating Frequencies 2.4GHz band (2.402GHz ~ 2.480GHz)
• Communication Systems GFSK, Pi/4DQPSK, 8DPSK
• Spread Spectrum Method FHSS
• Bluetooth Profile Support A2DP, AVRCP, HFP, HSP
• Audio Codec Support LDAC, AAC, SBC
• Content Protection SCMS-T
• Frequency Range
  20 to 40,000 Hz (when LDAC 96 kHz sampling, 990 kbps)
  20 to 20,000 Hz (when 44.1 kHz sampling)

Specifications (Headphones)

• Type Closed-back dynamic
• Driver Diameter Ø45 mm CCAW coil
• Frequency Response 15 ~ 28,000 Hz
• Sensitivity 99 dB/mW
• Impedance 38 Ω
• Battery Type DC3.7 V lithium polymer rechargeable battery
• Battery Current / Life Approx. 50 hours continuous use
• Charge Time  Approx. 3.5 hours
• Weight 307 g (without cable and connector)
• Cable Detachable 1.2 m cable gold-plated stereo mini-plug (L-shaped)
• Accessories Furnished 30 cm USB charging cable (USB Type-A / USB Type-C), protective pouch

Specifications (Microphone)

• Type MEMS type
• Polar Pattern Omni-directional
• Sensitivity -38 dB (1V/Pa at 1 kHz)
• Frequency Response 80 ~ 15,000 Hz