Bluetooth name: Lenyes Air 81 Color: Black with digital display version Bluetooth version: V5.1/JL6973D4 Bluetooth distance: 10M Support protocols: HFP, A2DP, HID, AVRCP, AVCTP, AVDTP, ACC SBC battery capacity: Charging compartment battery/300 mA (602030mah with protective plate) Headphones 40mah * 2 with lithium battery, Playback time: 6H (100% volume) Charging time of the charging compartment is 1.5H Headphone charging for 1.5H, standby for 100H Charging: 5V-1A Charging box charges headphones 2.5 to 3 times Horn specifications: φ 13mm composite membrane horn Impedance: 32 Ω Frequency response: 20hz-20Khz Sensitivity: 96 ± 3dB Product weight: 54 * 45.6 * 27.8mm Bare metal net weight: 34.2g Charging port: Type-c charging port
