• Multi-purpose Headphone: Fits for making office business conference calls, call center phone calls, online courses, language learning, playing games, listening to music, etc.
• Noise Canceling Microphone: External 330° rotary microphone with noise reduction technology reduces environmental sound, enhances human voice, ideal for clear conversation
• Ergonomic Design: Lightweight design, adjustable headband length, soft ear pad provide maximum wearing comfort, suitable for different head size wearing
• BT5.0 Wireless Connection: BT 5.0 ensures low power consumption, stable connection, and fast transmission speed. Compatible with almost all BT-enabled audio devices
• Long Battery Life: Built-in rechargeable lithium battery, 2 hours charging, can provide about 20 hours of working time, and about 200 hours of standby time

Specification:

• Bluetooth-compatible version: JL V5.0
• Receiving distance: 8-15 meters
• Microphone type: single-point silicon microphone
• Microphone sensitivity: 34DB±3DB
• Headphone battery capacity: 250mAh 3.7V
• Continuous working time: about 20 hours
• Charging time: 2H
• Speaker impedance: 32Ω
• Speaker diameter: 30.0MM
• Speaker sensitivity: 111±3DB
• Speaker output power: 15MW-30MW
• Frequency response: 20HZ-20KHZ
• Audio decoding protocol: SBC
• Headphone weight: about 53g
• Charging base weight: about 110g