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**Specifications:**

**Brand:** Tangmai

**Delivery:** 2 hours express delivery available through JDL Jingdong Logistics

**Shipping:** Nationwide delivery from eight major warehouses

**Trial Period:** 7 days free trial

**Exchange Policy:** Free exchange for unsatisfactory products, quality issues resolved with direct replacement

**Design:** Ultra-lightweight carbon fiber speaker with industrial-grade sound tuning electrodes

**Sound Quality:** Breakthrough in audio quality with dual enhancements

**Battery Life:** Up to 100 hours of continuous playback

**Latency:** 28ms low latency for gaming mode

**Noise Cancellation:** ENC technology for clear calls

**Comfort:** Ergonomic headband design with memory foam padding and protein leather ear cushions

**Bluetooth:** V5.3 for stable and fast audio transmission

**Bluetooth Range:** ≥10m

**Bluetooth Profiles:** HSP/HFP/A2DP/AVRCP

**Supported Codecs:** SBC/AAC

**Microphone Sensitivity:** 42±3dB

**Charging Interface:** Type-C

**Control:** Easy-to-use multifunction button for various operations

**Compatibility:** Supports Android, iOS, and HarmonyOS devices

**Product Model:** H1 TONEMACH1

**Effective Range:** 10 meters (open space)

**Data Source:** Tangmai Laboratory, actual experience may vary

**Additional Features:**

Fast charging: 3 minutes charge for 2 hours of playback

Lightweight design: Only 138g for comfortable all-day wear

Multiple EQ modes: ENC, gaming, music modes for personalized experience

High-fidelity audio: Original sound spatial effects with 0.028s low latency

Multi-point connection: Connects to two devices simultaneously

User-friendly controls: Power on/off, play/pause, volume adjustment, track change, and more

Stylish and ergonomic: Suitable for various styles and head shapes

Enhanced Bluetooth performance: Improved range, lower power consumption, and better sound quality than previous versions

**Note:** Product specifications are based on data from Tangmai Laboratory and may vary depending on individual usage.