Wireless charging compatible. Single-sided use enabled • Activate Siri press and hold for 2 seconds • Reject call, Press, and hold for 1 second • Works on both left+Right Earbuds • Call Back press and hold twice • Wireless charging output: 5V/0.4A • Bluetooth protocols: HSP / HFP / A2DP • Operating frequency: 2.4GHz • Working temperature: -10C - 50C • Answer/Hang-up touch once • Play/pause touch once • Charging input: 5V/1A • Bluetooth version: 5.0 • 2.5h Talk time • Touch control
