Bluetooth Version: V5.3 Lithium Battery: 400mAh Playtime: 20 hours (call and music) Audio Format: HFP, HSP, A2DP, AVRCP Connection Distance: over 10m Imp: 32 ohms +/- 15% Driver Dimension: 40mm Sensitivity: 94dB +/-3dB Function: BT/AUX Audio Decoding: SBC, AAC ANC: FF ANC reduction: -18 +/- 2dB Charging Time: 2H
