Bluetooth Earbuds Wireless Headset Headphones

Description: Name: Wireless Earphones Bluetooth version: Bluetooth v5.0 + EDR Bluetooth frequency band: 2.4GHz Power level: II Output power: 30mW Bluetooth distance: 10 meters without barriers Frequency response: 20-20000Hz Working voltage range: 3.0V-4.2V Microphone sensitivity: -42dB Has A2DP / AVRCP high-quality stereo audio transmission and remote control protocol Powerful noise canceling circuit (active noise reduction) Switch between Chinese and English (when the Bluetooth is switched off, press the switch twice, and you hear the prompt switch successfully) Charging time is about 1 hour (Power indication charge: red light is on, full charge: red light is off (blue light is on).) Talk time is about 3-3.5 hours music time about 3-3.5 hours Standby time is about 96 hours Charging time is about 60 minutes Single earphone battery capacity 55mAh Smart compatibility: support all Bluetooth-enabled mobile phones, tablets, notebooks, sing bars, QQmusic, movies, etc., universal for all mobi