Headphones Shenzhen Qianhai Bosi Intelligence Technology i9S

Design: Liners
Description: Design: in-ear, device type: TWS wireless headphones, design features: microphone, operating time: 2 h
Additional Information: Case: 600 mAh; Range: 10 m; Case included: yes; LED indicator: yes; Answer/end conversation: yes; 3.5 mm headphone jack: yes; Work profile support: HFP Hands-free,Headset
Working hours: 2 h
Standby time: 100 h
Impedance: 32 ohm
Sensitivity: 120 dB
Design features: Microphone
Charging time: 1 hour
Device type: Wireless tws earphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Bluetooth version: 4.2
Wireless connection type: Bluetooth
Battery life in case: 20 h