Rebel wireless in-ear headphones
Type: In-ear
Color: Black
Case: Yes
Powerbank function for headphones: Yes
Frequency response: 20Hz - 20 KHz
Impedance: 16 Ohms +/-2 Ohms
Bluetooth: 5.3
Bluetooth range: 10 meters
Built-in microphone: Yes
Voice call support: Yes
Other information: Bluetooth profiles: A2DP, AVRCP, HSP, HFP
Other information: Charging voltage: 5 V / 0.2 A
Other information: THD: 2,2%
Other information: SPL (Sound pressure level): 105 dB +/-3 dB (1 kHz)
TWS function: Yes
Battery capacity: Headphones: 30 mAh
Battery Capacity: Charging case: 200 mAh
Maximum battery charging time: Headphones: approximately 1 hour
Maximum battery charging time: Charging case: approximately 2 hours
Maximum talk time: Up to 2 h
LED backlight: Yes
Maximum music playback time: Up to 2 h (volume affects playback time)
Microphone sensitivity: -40 dB +/-2 dB
Headphone sensitivity: 61 dB
Speaker diameter: 8 mm
Standby time: Up to 72 hDo you need help? Do you have any questions?Ask a question and we'll respond promptly, publishing the most interesting questions and answers for others. 
