■Bluetooth program: Jelly AC6963A4■ Bluetooth effective distance: ≥ 10m■Best call distance: within 10m■Headset maximum power ： 3mW■ Audio signal-to-noise ratio: S/N ≥90dB■ Frequency response:50Hz～20KHz■ Speaker unit: full-range titanium membrane speaker Φ13mm@32ohm■ Built-in battery: headset head lithium battery-3.7V, 30mAh rechargeable bin: 450mAh■Music time: about 4 hours (80% volume)■ Talk time: about 3.5 hours (80% volume)■Charging input standard: DC5V-500mA TAPE-C interface■Charging time: headphones: about 60 minutes for headphones, about 90 minutes for the charging compartment■ Battery cycle life Charging and discharging cycle ≥ 300 times after the capacity is 80% of the initial capacity■Sound system: stereo■ Bluetooth operating frequency: 2.402GHz-2.480GHz ■Reception sensitivity: 88dB±3dB &1kHz■Active and passive:Active■Size: Charging case size: 60X32mm diameterHeadphone size: 36X23X22mm ■Weight: 45g   ■Body material: ABS

■ Bluetooth pairing name: XO-X23■ Bluetooth version: Bluetooth V5.3 Bluetooth main chip: Jerry JL6983D2 ■Battery: Charging case capacity: 3.7V 200mAh Headphone battery capacity 3.7V 25mAh*2■Number of times the battery box charges the earbuds: about 3 times■TYPE-C charging time: Charging case charging time about 2 hours / Earphone charging time: about 1.5 hours■ Talk time: Approx. 4 hours / Music time: 80% volume approx. 4 hours Shutdown standby time: Standby 4-6 months when fully charged■ Function: Play/pause volume plus/subtract the previous song Next song Answer the phone Hang up the phone■Size: 46*46*23.5mm■Weight: Earphone: 2.8±0.2g*2PCS Charging case: 19g±0.2g■Material: PC+ABS■Product color: black and white pink, yellow orange