Limit price: 85.99 euros and 89.99 US dollars Packaging size 26 * 20 * 11cm, 0.98kg Box size 16 pieces/17.2kg/48 * 42 * 55cm   Product Description: Product Description   1. 2.4GHz frequency hopping technology; 2. Automatic standby powersaving function; 3. The transmitter comes with a charging base and a detachable rechargeable battery     7. Communication distance, 2.4G mode greater than 30m, Bluetooth mode greater than 10M (open area)   Features Features Features     2. Earphones can last for 12 hours when fully charged   4. One transmitter can be connected to two headphones; 5. When the headphones are turned on and there is no signal input for 5 minutes, they enter standby mode   Product parameters launcher Working voltage: AC: 100V~240V Working current: 550mA Modes: 2.4G mode, Bluetooth mode   headset Working voltage: AAA * 2 2.4V Working current: 50mA Charging time: 3h Signal to dryness ratio: 72dB Distortion: