Cambridge Earphones Open-type casual/sports, products from Japan

＜Bluetooth version: 5.0 Processor: Triple-core Processor Architecture: Dual-core 32-bit processor application subsystem & Qualcomm QCC3026 Single-core 120Mhz Kalimba DSP audio subsystem Driver: 5.8mm graphene-coated diaphragm Built-in microphone for calls: MEMS microphone & cVc noise cancelling Playback frequency range: 20Hz - 20kHz Earphone weight (one side): 4.6g Case weight: 37g Latency: 70mS (at aptX) Maximum playback time (with earphones): 9 hours Maximum playback time (with case): 45 hours Supported codecs: SBC, AAC, aptX Supported profiles: A2DP, AVRCP, HFP, HSP Charging port: MicroUSB Waterproof rating: IPX 5;＜Silicon earpiece: S, M, L size 1 pair each Memory foam earpiece: M size 1 pair USB cable for charging User manual;Graphene-coated 5.8mm driver Graphene is an incredibly lightweight, rigid and durable material. The MELOMANIA1's dynamic driver, designed by elite engineers at the R&D Centre in London, uses a graphene-coated diaphragm and a high flux density magnet to achieve extremely high signal response. The MELOMANIA1's dynamic driver delivers a wide range of sound, from deep bass to clear, yet soft, highs.;Clear calls, not just music In addition to the latest version of Qualcomm's Clear Voice Capture (cVc) noise-canceling technology, it also incorporates an advanced Microelectro-Mechanical Systems (MEMS) microphone. Enjoy clear voice calls without the background noise.;The Melomania1 provides up to 9 hours of continuous playback on a single charge and can be recharged 4 times with the charging case. Melomania1 provides up to 9 hours of continuous playback and can be recharged up to 4 times with the built-in battery in the charging case. Together with the charging case, this gives you up to 45 hours of playback. When playing with the aptX codec, the playback time will be 20-30% shorter.