Bluetooth Noise Cancelling HiFi Foldable AUX Headset Features: Games With Low latency Bass Enhancement HIFI Stereo Sound Bluetooth 5.1 Chip Large Capacity Battery Life Skin-Friendly Material Heavy-calibre Driver Speaker Tactile Player / Pause / Play Answer / Hang up Specification: Bluetooth version: V5 . 1 Battery capacity: 300mah Play time: Approximately11 hours Standby time: Approximately 150 hours Horn diameter: 40 mm Speaker sensitivity: 108db 3db Frequency response range: 20-20k Hz Distance: 10m barrier-free Package included: 1* Lenovo Wireless bluetooth Headset 1* USB Charging Cable 1* AUX Cable Bluetooth Noise Cancelling HiFi Foldable AUX Headset Features: Games With Low latency Bass Enhancement HIFI Stereo Sound Bluetooth 5.1 Chip Large Capacity Battery Life Skin-Friendly Material Heavy-calibre Driver Speaker Tactile Player / Pause / Play Answer / Hang up Specification: Bluetooth version: V5 . 1 Battery capacity: 300mah Play time: Approximately11 hours Standby time: Approximately 150 hours Horn diameter: 40 mm Speaker sensitivity: 108db 3db Frequency response range: 20-20k Hz Distance: 10m barrier-free Package included: 1* Lenovo Wireless bluetooth Headset 1* USB Charging Cable 1* AUX Cable Bluetooth Noise Cancelling HiFi Foldable AUX Headset Features: Games With Low latency Bass Enhancement HIFI Stereo Sound Bluetooth 5.1 Chip Large Capacity Battery Life Skin-Friendly Material Heavy-calibre Driver Speaker Tactile Player / Pause / Play Answer / Hang up Specification: Bluetooth version: V5 . 1 Battery capacity: 300mah Play time: Approximately11 hours Standby time: Approximately 150 hours Horn diameter: 40 mm Speaker sensitivity: 108db 3db Frequency response range: 20-20k Hz Distance: 10m barrier-free Package included: 1* Lenovo Wireless bluetooth Headset 1* USB Charging Cable 1* AUX Cable Bluetooth Noise Cancelling HiFi Foldable AUX Headset Features: Tactile Player / Pause / Play Answer / Hang up Specification: Bluetooth version: V5 . 1 Battery capacity: 300mah Play time: Approximately11 hours Standby time: Approximately 150 hours Horn diameter: 40 mm Speaker sensitivity: 108db 3db Frequency response range: 20-20k Hz Distance: 10m barrier-free Package included: 1* Lenovo Wireless bluetooth Headset 1* USB Charging Cable 1* AUX Cable