M91

Model：M91
Bluetooth version: V5.49
Bluetooth protocol:FP, A2DP, AVRCP

Transmission distance: 10m
Battery capacity (charging case): 200MAH -500MAH
Battery capacity ( earphone): 40MAHMusic playback time: 10+H
Call time: 5-6H Charging time: <1H
Charging interface: Type-C

Speaker: φ13speaker Speaker sensitivity: 93 ± 3dB
Speaker impedance: 16 oh
Waterproof grade: IPX7
Standard input voltage DC 5V Bluetooth working frequency: 2.402GHz~2.48GHzFrequency response range: 20Hz~20,000HzInstructions: Chinese and EnglishVoice prompt: Supported
Multi-point connection Not supported

1. Zero-Pressure All-Day Comfort

Ergonomic ear clip design with ultra-soft padding and 4.5g single-ear weight delivers “wear-and-forget” comfort, eliminating ear canal irritation and head fatigue.

2. Precise Audio with Leakage Control

DT 6.0 directional sound tech and 13mm graphene driver create focused audio beams, delivering rich sound while minimizing leakage to protect privacy.

3. Adaptive AI Noise Cancellation

Multi-channel DNN system reduces ambient noise by 42dB, isolating low-frequency rumble and maintaining clear voice pickup for calls in any environment.

4. Ultra-Stable Bluetooth 6.0

Latest Bluetooth 6.0 chip with LDAC support offers 3x faster transfer and 40% improved stability, ensuring seamless, lag-free audio even in crowded spaces.

5. All-Day Power with Fast Charging

8 hours continuous playback, 45 hours total battery life with case. 10-minute quick charge for 2 hours listening, IPX5 sweat resistance for active use.