• Bluetooth-compatible 5.3 technology, stable and fast connection
• High-performance dynamic speaker
• High quality noise canceling microphone, deep bass sound, bring excellent music or gaming experience
• Compatible with MP3/MP4/mobile phone/computer or other audio devices 

Specification:

• Bluetooth-compatible version: 5.3
• Transmission distance: 10m
• Battery capacity: 400mAh
• Charging time: 1.5 hours
• Standby time: 300 hours
• Rated power: 15mW x 2
• Drive unit: 40mm
• Impedance: 32 ohms
• Frequency response: 20Hz-20kHz
• Sensitivity: 110+3dB S.P.L at 1KHz
• Product size: 23cm * 12cm * 22cm