Yealink Replacement Charging stand for the BH72/76 Headsets Features: • Power input: AC Adapter: AC100-240V DC 12V/2A • Wireless Output: 15W Max • Charging Frequency: 110K-205KHZ • Standby Power: < 0.3 W • Wireless Distance: 5~8 mm • Coils: 2 • Wireless Efficiency: 70% max • Ripple Noise: < 50mV • Protection Function: OVP/OCP/OTP • State Remind: LED • Temperature Protection: 60? • Compatibility: All wireless charging receiver terminal facilities that comply with Qi Standard. • Regulatory Compliance: Design conforms to the Qi standard/EnergyStar/C-Tick Manufacturing conform to RoHS/REACH