AWEI T77 ENC Wireless Bluetooth-compatible 5.3 Headset Built-in Microphone Earphone with Charging Case - Black

• The 13mm diameter moving coil energy conversion horn unit adopts composite biological diaphragm to bring natural original sound, high frequency but not sharp, wide vocal range, transparent voice, large dynamic load, every musical detail is visible
• Use Bluetooth-compatible V5.3 technology, which provides faster transmission, power saving, fast connection
• Ultra-low latency keeps synchronized with audio and video, convenient to keep in contact with your teammates all the time when gaming
• With ENC noise reduction design, brings clear sound to you
• The ergonomic design ensures that the headphone fit your ears comfortably

Specification:

• Bluetooth-compatible version: BT5.3 JL6973D4
• Supported protocols: A2DP, HFP, AVRCP
• Battery capacity 30mAh*2 (without protection board, headphone board lithium battery protection IC)
• Charging compartment battery capacity: 250mAh (with protective board)
• Drive unit diameter: 13mm
• Charging time:1.5h
• Call time: 5h
• Play time: 4h
• Standby time: 300h
• Speaker sensitivity: 116±3DB
• Speaker impedance: 32Ω
• Input charging standard: DC 5V
• Bluetooth-compatible working frequency: 2.402G-2.480G
• Frequency response range: 20Hz-20000Hz
• Maximum transmission distance: 10m
• Voice prompt: support
• Multipoint connection: not support
• Wearing method: in-ear
• Interface: Type-C
• Waterproof level: IPX5
• ENC noise reduction depth (call noise reduction): >-40dB