Audio Encoding Protocol: SBC

Effective range: ≥ 10 meters

Headphone battery specification: 30mAh

Earphone charging time: ≈ 1.5 hours

Charging standard for charging case: DC 5V1A

Charging frequency for earphones: approximately 3 times

Speaker size: φ 13mm

Speaker impedance: 32+15%

Frequency response range: 20Hz~20KHz

Supports Bluetooth protocols: HFP, A2DP.AVRCP

Signal power level: Class 2 (Bluetooth version 5.3)

Working frequency: 2.4G Hz

Earphone charging voltage: Dc 5V+0.2V

Charging case battery specification: 250mAh with protective board

Charging time for charging case: ≈ 1.5 hours

Connection standby time: 100 days

Accumulated battery life: about 18H

Speaker sensitivity: 109+3dB

Carton size: 100pcs/ctn: 44*34*58CM, G.W/N.W: 10KG/8.9KG