Bluetooth version: Y5.0+EDR Support agreements: AVCTPV1.4,AVRCPV1.5, GAVDP1.0,AVDTPV1.0.A2DPV1.0,HFV1.5 Operation distance: 10m Without ObstacleDepth ofnoise reduction:18DB+2 Working frequency: 20-20kHz Battery capacity: 3.7V/400mAh NC working time: About 40h Using time: About 18h Charging time: About 1.5-2h Bluetooth chip model: JELI 7006F4 Press and hold the power button to turn on the headset. Turn on the Bluetooth of your phone and search for BL-A11 ANC. Click to connect.
Bluetooth version: Jerry V5.4 Transmission distance: 10 meters Speaker diameter: 40mm Frequency range: 2.402-2.480 GHZ Impedance: 32 ohms Use time: 14-18 hours Standby time: automatic shutdown in 5-8 minutes Battery: 400mAh rechargeable lithium battery Charging time: about 3 hours Functions: adjust volume, switch songs, answer incoming calls, reject incoming calls, hang up calls, Bluetooth playback, call replay, Bluetooth reconnection, voice prompts, battery display, FM radio, TF card, Pure English broadcast
Bluetooth version: 5.4 Support protocols: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP, SMP, ATT, GAP, GATT, RFCOMM, SDP, L2CAP Working distance: ≥10m Transmit power: Class 2 Transmission frequency range: 2.402 -2.480 GHz Speaker specifications: Ø40mm Speaker impedance: 32Ω Polymer lithium-ion battery: 200mAh Listening time: 18h Call duration: 19h Charging time: 1.5hSupported functions: Bluetooth, AUX, hands-free calling, one to two, voice assistant, game mode (low latency)
Bluetooth version: 5.4 Support configuration files: A2DP, AVCTP，AVDTP，AVRCP，HFP，SPP，SMP，ATT，GAP，GATT，RFCOMM，SDP，L2CAP Transmission distance: unobstructed forward distance greater than 10 meters Transmission power: Class 2 Frequency range: 2.402-2.480 GHz Horn diameter: Ø 40mm Impedance: 32 Ω Noise reduction amplitude: 28+/-3dB Noise reduction frequency range: 20-600Hz Rechargeable lithium battery: 350mAh (nominal voltage: 3.7V) Turn on noise reduction and play music for 20 hours Turn off noise reduction and play music for 31 hours Call duration with noise reduction on: 23 hours Off noise reduction call duration: 33 hours Charging time: 1.5 hours Features: Bluetooth, ANC, AUX, hands-free calling, one to two, voice assistant, game mode (low latency), transparency mode
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