• Ear clip design open-ear headset: Open-ear headset, more transparent sound, more comfortable and safer to wear
• ENC HD call noise reduction: Brings clear calls and gaming voice communication
• Lossless sound transmission: 360° panoramic sound effect, directional conduction without sound leakage
• Easy to use: Touch control dsign, Hall switch, automatic connection when the headset is taken out
• IPX5 sweatproof: Life grade waterproof and sweatproof, perfect for sports and daily use
• Low latency: Zero latency in games, stable transmission, audio and video synchronization
• Incoming call voice reminder function: With incoming call number reminder, intelligent voice prompt (default English)
• Bluetooth-compatible 5.4 version: Stable connection without interference, bringing smooth video and audio experience

Specifications:

• Product model: F16
• Bluetooth-compatible solution: BLUETRUM 5656A2
• Bluetooth-compatible version: 5.4
• Bluetooth-compatible protocol: A2DP/AVDTP/AVRCP/RFCOMM/HFPHSP/SPP/HID
• Channel system: stereo
• Working voltage: 3.0-4.2V
• Working current: 10mA
• Charging voltage: DC 5V
• Power consumption when powered off: 8uA
• Charging current: 40mA
• Battery capacity: 50mAh
• Charging time: about 1H
• Listening time: 80% volume, about 7 hours; maximum volume, about 6 hours
• Talk time: 5H
• Standby time: 180 days
• Working frequency: 2.4G
• Effective distance: 10 meters
• Speaker parameters:
• Sensitivity: 115±3dB(at 1KHz 1mW)
• Impedance: 20±10%Ω
• Frequency range: 20~20KHZ
• Output power: 5mW
• Microphone parameters:
• Sensitivity: -38dBV/Pa
• Impedance: 400
• Headphone charging case performance parameters:
• Battery capacity: 400mAh
• Input voltage: 5V
• Input current: 320mA
• Output voltage: 5V
• Output current: 50mA + 50mA
• Charging time: 1.2 H (charged at 1C)
• Rechargeable times: charge the earphones about 3 times
• Static standby current: 25uA (no load)
• Net weight: 59G (earphone weight: 10g, charging box weight: 49g)
• Earphone size: 29*29*14mm
• Box size: 67*47*44.5mm