Toshiba True Wireless Stereo Bluetooth Ear Buds With Power Bank RZE-BT900

• True HS / HF / A2DP / AVRCP wireless BT protocols.
• Operating range: up to 30 feet (10 meters).
• Frequency range: 20 Hz to 20 kHz.
• Microphone: built-in with stereo call.
• Audio Voice capability: Google Assistant and Apple Siri.
• Play time: 3 hours of music / 4 hours of conversation.
• Standby time: 120 hours.
• Charging time: 1 hour.
• Power bank capacity: 20 charges (2200 mAh).
• Power bank output: USB for external devices.
• IPX Rating: IPX4 waterproof.