■ Model:XO-X40
■ Product type: Bluetooth headset
■ Sound system: stereo
■ Control mode: touch mode
■ Active passive: active
■ Bluetooth program: AB5656C2 (Zhongke Bluetooth)
■ Bluetooth version: 5.3
■ Support Bluetooth protocol: HFP HSP A2DP AVRCP
■ Bluetooth operating frequency: 2.402GHz-2.480GHz
■ Bluetooth effective distance: ≤ 10 meters (straight line distance)
■ Speaker power: Rating 3mW
■ Radio frequency power level of the headset: Class2
■ Maximum transmit power:+9DBm
■ Headset amplifier type: chip built-in
■ Frequency Response: 100Hz～20KHz
■ Speaker unit: Φ13mm@32 ohm
■ Microphone MIC sensitivity: analog silicon mark, -39dB +-3
■ Built-in battery: lithium battery 3.7V 25mAh (spray code 25mAh) Charging compartment: 250mAh
■ Music time: about 4 hours (80% volume normal mode)
■ Talk time: Approx. 2.5 hours (80% volume)
■ Standby time: (connected) Approx. 40H
■ Charging input standard: Type-C DC-5V / 1A
■ Charging time: Charging compartment about 1.5 hours Headset charging about 1.2 hours
■ Battery cycle life: charge and discharge cycle ≥ 300 times
■ Temperature/Humidity range: working: 0~40℃, storage: -10~55℃, working humidity: less than 70%, storage humidity: less than 70
■ Storage conditions: the product in a dry and ventilated room, should avoid contact with corrosive substances, away from fire and heat sources. Charge the product once every 1 month during storage
■ Color: black/white/pink/green
