Charging and Storage
The earbuds will warn you when the battery is low. They are charged using the included charging case and USB Type-C cable. This charging case also serves as a convenient storage place for the earbuds. A red and blue LED indicator shows the charging status. ```
Details Grundig Earbuds
• Sound reproduction: Stereo
• True Wireless Stereo (TWS)
• Frequency range (kHz): 20-20kHz
• Speaker impedance: 32Ω
• Speaker sensitivity: 98.1dB
• Speaker driver diameter: 8 mm
• Microphone impedance: 2.2kΩ
• Microphone sensitivity: -40±3dB
• Bluetooth signal range: up to 10 m
• Touch controls
• Maximum standby time: 90 hours
• Maximum talk time: 2 hours
• Maximum playback time: 3 hours
• Maximum charging time: 2 hours
• Charging cable length: 0.5 m
• Input connector: USB Type-C
• Input voltage: 5V
• Input current: 0.5A
• Headphone material and housing: ABS
• Max. transmit power: +2dBm
• Radio frequency range: 2.402 - 2.480 GHz
• High-frequency power (dBµA/m): Max. 2.5mW/10m
• Bluetooth version: 5.0
• Bluetooth chipset brand/type: JL 6963
• Bluetooth profile(s): A2DP, AVRCP, HFP, HSP
• Bluetooth class: II
• Headphone battery capacity: 40 mAh
• Charging case battery capacity: 300 mAh
• Dimensions: 31.4 x 50.3 x 50.3 mm (H x W x D)
• Weight: 42 grams
