Letscom Wireless Earbuds, Upgraded Bluetooth 5.0 in-Ear Earphones Deep Bass TWS Headsets Stereo Hi-Fi Sound Headphones with Mic and Charging Case

▶Top Features: * Up to 20 Hours Play/Talk Time * IPX5 Waterproof * Ergonomic Design * Hands-Free Call * Music Control * Built-in Microphone ▶SPECIFICATIONS Model: D32 Bluetooth Standard: V5. 0 Operating Range: 33 ft./10M (No obstacles between) Supporting Protocols: A2DP/HFP/HSP/AVRCP Charging Time: 1. 5 hours (earbuds); 1 hour (charging case) Talk/Playing Time: about 3. 5 hours (Varies according to volume level and audio content) Charging Voltage: DC 5V Battery Type: Li-polymer Battery Capacity: 60mAh (earbuds); 500mAh (charging case) ▶FAQ Pairing failed. 1. Put the earbuds back to the charging case and make sure that they are off. 2. Take the earbuds out of the case and they are automatically on. 3. Wait the indicator on the left earbud flashes red and white alternately and earbuds enter pairing mode. 4. Choose "D32-L" in phone to pair. If the pairing still fails, check the following points: Make sure earbuds and Bluetooth device are next to each other or within 3 feet and there are no obstacles between. There are no signal interference nearby (check the question "Connection is not stable" for signal interference conditions). Try to reboot your Bluetooth device. Connection is not stable. Bluetooth signal is transmitted wirelessly and signals can be affected, which results in intermittent sound of earbuds, in the following conditions: 1. Distance between earbuds and Bluetooth device is at the edge of the Bluetooth pairable distance. 2. Transmitted signals encounter obstacles or human body blockage. 3. There are high-power electronic devices nearby. 4. There are other Bluetooth devices and are being turned on/off nearby.