Rocoren Echo R02 In-Ear Digital True Wireless Bluetooth Headset Bluetooth 5.4 Noise Cancelling With Microphone Bass Stereo Sound

Product Name：Rocoren Echo Series In-Ear Digital TWS True Wireless Bluetooth Headset R02

Model: Rocoren Echo R02

Color: Black, White

Bluetooth version: V5.4

Audio coding protocol: SBC

Effective range: ≥10 meters

Support Bluetooth protocol: HFP,H2DP,A2DP,AVRCP

Headset battery capacity: 30mAh

Charging compartment battery capacity: 300mAh

Charging time of charging compartment: ≈1.5 hours

Connected standby time: ≈40H

Accumulated standby time: ≈ 20H

Speaker size: Ф13mm

Speaker impedance: 32Ω ± 15%

Frequency Response Range: 20Hz~20KH

Accessory list: earplugs * 2. type-C charging cable * 1, lanyard * 1, manual * 1