Enjoy wireless stereo sound? You will do that with these white Bluetooth headphones from Grundig with charging cradle. Listen to music and make wireless calls via touch control The earphones have a TWS connection: True Wireless. They are ready to use as they automatically turn on and connect to each other. Pairing with your mobile phone, iPad or other Bluetooth-enabled device is also easy. Each earplug is operated individually via a touch control. A short touch is enough for them to react. With these wireless earbuds, you can listen to music and answer calls thanks to the built-in microphone. Charging The earplugs emit a signal when they are almost empty. Charging is done via the included charging station and USB cable type C. The LED lights indicate the charging status. You can also store the earplugs neatly in the charging bag. Details Grundig earplugs sound reproduction: stereo TWS: true wireless/fully wireless frequency range (kHz): 20-20KHZ speaker impedance (Ω): 32Ω speaker sensitivity (dB): 98.1db diameter of speaker driver (mm): 8 mm microphone impedance (Ω): 2.2KΩ sensitivity of the microphone (dB): -40± 3dB Bluetooth signal Range (m): up to 10 meters touch control Maximum standby time: 60 hours Maximum talk time (hours): 2 hours Maximum playback time (hours): 3 hours Maximum charging time (hours): 2 hours Length of charging cable (m): 0.5 meters Input port: USB Type-C input voltage (V): 5V Input current (A): 0.5A Colour: White Material The Eearearearearphone Case material: ABS max. Transmit power (dBm): +2dBm Radio frequency range (GHz): 2.402 - 2.480 GHz Radio frequency power (dBµA/m): Max. 2.5mW/10m Bluetooth version: V5.0 Bluetooth chipset brand/type: JL 6963 Bluetooth profile(s): A2DP, AVRCP, HFP, HSP Bluetooth frequency range (GHz): 2.402 - 2.480 GHz Bluetooth class: Class II Battery capacity (headphones) (mAh): 35mAh Battery capacity (charging case) (mAh): ): 350 mAh